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Allosaurus
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Allosaurus was a common carnivorous (meat-eating) dinosaur
in North America during the late Jurassic and early
Cretaceous period,
approximately 154 to 135 million
years ago. Allosaurus
fossils
have also been found in Africa and
Australia.
Allosaurus was up to 39 feet (11.9 meters) long,
and weighed approximately 1.7 tons.
Some scientists believe Allosaurus was too heavy to chase down prey, and
therefore was probably a scavenger. However, others believe that Allosaurus
may have been quite agile, and could even have hunted in packs to bring down
giant herbivores (plant-eaters) such as
Apatosaurus or
Diplodocus.
The first Allosaurus
fossil
was incorrectly described as a "petrified horse hoof".
In fact, it was a caudal vertebra (tail bone) of this dinosaur, although
it was not recognized as such at the time.
Using much more material, including a partial skeleton,
Othniel C. Marsh
published the first description of Allosaurus in 1877.
One of the most important Allosaurus specimens found, was
discovered in
Wyoming,
in 1991.
This animal, which has been nicknamed "Big Al", was actually smaller than
average for its particular species of Allosaurus (it was probably not fully grown),
and even though many bones showed signs of infection (which may have contributed to the animal's death),
was very important because the skeleton was 95% complete. Furthermore, the same team which discovered
"Big Al", also subsequently discovered a second well-preserved specimen, which has been nicknamed
"Big Al Two".
The discovery, and possible life-story of "Big Al", served as inspiration
for a special episode of the BBC/Discovery TV series, Walking With Dinosaurs ,
entitled "The Ballad of Big Al".
Allosaurus has been designated the official state
fossil of
Utah,
since
1988.
Allosaurus was a carnivore (meat-eater) that lived from 154 to 135 million years ago
Related Information & Resources
See Also
Allosaurus Facts
Here is a summary of some of the key facts about Allosaurus:
- Allosaurus was a genus of dinosaur.
- "Allosaurus" means "different lizard" or "strange lizard". This name was chosen by Othniel C. Marsh in 1877.
- Allosaurus was a member of the Saurischia ("lizard-hipped") order of dinosaurs. What this means, is that although Allosaurus was not closely related to lizards, it did have similarly shaped pelvic bones.
- Allosaurus was a Theropod - a member of a group of related bipedal dinosaurs that included the ancestors of birds (although Allosaurus was not itself an ancestor of birds).
- Allosaurus lived between about 154 million years ago and 135 million years ago, during the late Jurassic and early Cretaceous periods.
- Allosaurus lived in North America, Africa and Australia.
- Allosaurus was a carnivore (meat-eater).
- Some scientists think that Allosaurus was probably a scavenger, but others think it was an active predator. There is even possibility that Allosaurus may have been a pack hunting animal, with individuals working together to bring down prey.
- Allosaurus was about 39 feet (11.9 meters) long.
- Allosaurus weighed about 1.7 tons.
- Allosaurus is the official state fossil of Utah.
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Allosaurus Books Here are some books from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
By Sally Lee
Capstone Press Released: February 1st, 2015 Paperback (32 pages)
 | Lowest New Price: $6.95* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Allosaurus (Little Paleontologist)- Manufacturer: Capstone Press
- Brand: Capstone Press
- ISBN: 1491423749
- EAN: 9781491423745
- PartNumber: illustrations
Details:- Paperback
- Number of Pages: 32
- Author: Sally Lee
- Publication Date: February 1st, 2015
- Release Date: February 1st, 2015
Physical Description:- Size: 9.4 inches by 7.0 inches by 0.1 inches
- Weight: 0.2 pounds
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By Rebecca Sabelko
Epic Released: August 1st, 2020 Paperback (24 pages)
 | Lowest New Price: $6.99* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Allosaurus (The World of Dinosaurs)- Manufacturer: Bellwether Media
- Brand: Epic
- ISBN: 1681038358
- EAN: 9781681038353
Details:- Paperback
- Number of Pages: 24
- Author: Rebecca Sabelko
- Publication Date: August 1st, 2020
- Release Date: August 1st, 2020
Physical Description:- Size: 8.75 inches by 7.0 inches by 0.25 inches
- Weight: 0.15 pounds
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By Jack Wilkin
Lulu.com Released: May 22nd, 2016 Paperback (140 pages)
 | Lowest New Price: $10.99* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Allosaurus: A Biography- Manufacturer: Lulu.com
- Brand: Lulu.com
- ISBN: 1326662813
- EAN: 9781326662813
Details:- Paperback
- Edition: Second Edition
- Number of Pages: 140
- Author: Jack Wilkin
- Publication Date: May 22nd, 2016
- Release Date: May 22nd, 2016
Physical Description:- Size: 8.2677 inches by 5.82676 inches by 0.32 inches
- Weight: 0.396 pounds
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By Allan Dipalma
Independently published Released: September 13th, 2020 Paperback (138 pages)
 | Lowest New Price: $19.95* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Allosaurus & Diplodocus- Manufacturer: Independently published
- EAN: 9798682566525
Details:- Paperback
- Number of Pages: 138
- Author: Allan Dipalma
- Publication Date: September 13th, 2020
- Release Date: September 13th, 2020
Physical Description:- Size: 6.87 inches by 4.25 inches by 0.33 inches
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By Tracy Lee Ford
Independently published Released: May 2nd, 2019 Paperback (74 pages)
 | Lowest New Price: $9.00* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Allosaurus (Paleo Profiles)- Manufacturer: Independently published
- ISBN: 1096719517
- EAN: 9781096719519
Details:- Paperback
- Number of Pages: 74
- Author: Tracy Lee Ford
- Publication Date: May 2nd, 2019
- Release Date: May 2nd, 2019
Physical Description:- Size: 11.0 inches by 8.5 inches by 0.19 inches
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By Rob Shone
PowerKids Press Released: August 30th, 2009 Library Binding (32 pages)
 | Lowest New Price: $30.27* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Allosaurus: The Strange Lizard (Graphic Dinosaurs)- Manufacturer: Powerkids Pr
- Brand: PowerKids Press
- ISBN: 1435885880
- EAN: 9781435885882
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Rob Shone
- Publication Date: August 30th, 2009
- Release Date: August 30th, 2009
Physical Description:- Size: 10.75 inches by 9.0 inches by 0.25 inches
- Weight: 0.88 pounds
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By Tim Bradley
Arbordale Publishing, LLC Released: January 21st, 2020 Hardcover (32 pages)
 | List Price: $17.95* Lowest New Price: $17.05* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: I am Allosaurus (I Am Prehistoric)- Manufacturer: Arbordale Publishing
- Brand: Arbordale Publishing, LLC
- ISBN: 164351749X
- EAN: 9781643517490
Details:- Hardcover
- Format: Picture Book
- Number of Pages: 32
- Author: Tim Bradley
- Publication Date: January 21st, 2020
- Release Date: January 21st, 2020
Physical Description:- Size: 10.1 inches by 8.9 inches by 0.5 inches
- Weight: 0.85 pounds
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By Stephen Cole
Brand: Dutton Juvenile Released: June 4th, 2001 Mass Market Paperback (48 pages)
 | Lowest Used Price: $8.05* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Allosaurus: The Life and Death of Big Al (Discovery Kids)- Manufacturer: Dutton Juvenile
- Brand: Brand: Dutton Juvenile
- ISBN: 0525467734
- EAN: 9780525467731
Details:- Product Category: Mass Market Paperback
- Number of Pages: 48
- Author: Stephen Cole
- Publication Date: June 4th, 2001
- Release Date: June 4th, 2001
Physical Description:- Size: 10.78 inches by 8.5 inches by 0.16 inches
- Weight: 0.5 Pounds
Features:- Used Book in Good Condition
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Allosaurus Toys Here are some toys/games from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
Mattel Multicolor Accessory
 | Lowest New Price: $39.90* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Jurassic World Toys Camp Cretaceous Roar Attack Allosaurus Dinosaur Action Figure with Strike Feature and Sounds, Toy Gift and Collectible- Manufacturer: Mattel
- Brand: Mattel
- Model: HCL91
- UPC: 194735013340
- EAN: 0194735013340
- PartNumber: HCL91
Details:- Product Category: Accessory
Physical Description:- Size: 5.1299 inches by 12.3858 inches by 3.4213 inches
- Weight: 0.76875 pounds
- Color: Multicolor
Features:- Be a part of thrilling action and adventure with Jurassic World Dino Escape with these action figures inspired by the dinosaurs of the animated series, Jurassic World: Camp Cretaceous.
- These dinosaurs have movable joints for pose and play battle fun, and a strike feature. Activate it to experience three levels of sounds up up to a mighty roar!
- Great for dinosaur action play or creating a roaring display, these figures include realistic sculpting and authentic decoration. Each sold separately, subject to availability.
- It's the perfect gift for ages 4 years old and up especially Jurassic World fans and those who love dinosaurs!
- Download the Jurassic World Facts app (Android and iOS) for more dinosaur fun! App lets you scan your dinosaur and watch it come to life, zoom in on dinosaurs up close, hear dinosaur roars, learn fun dinosaur facts and more.
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Mattel Multi_color Accessory
 | Lowest New Price: $45.40* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Jurassic World Toys Roar Attack Allosaurus Camp Cretaceous Dinosaur Figure with Movable Joints, Realistic Sculpting, Strike Feature & Sounds, Carnivore, Kids Gift 4 Years & Up- Manufacturer: Mattel
- Brand: Mattel
- Model: GWD10
- UPC: 887961938050
- EAN: 0887961938050
- PartNumber: GWD10
Details:- Product Category: Accessory
Physical Description:- Size: 6.69 Inches by 2.76 Inches by 10.24 Inches
- Weight: 0.771617917 pounds
- Color: Multi_color
Features:- Be a part of thrilling action and adventure with Jurassic World Dino Escape with these action figures inspired by the dinosaurs of the animated series, Jurassic World: Camp Cretaceous.
- These dinosaurs have movable joints for pose and play battle fun, and a strike feature. Activate it to experience three levels of sounds up up to a mighty roar!
- Great for dinosaur action play or creating a roaring display, these figures include realistic sculpting and authentic decoration. Each sold separately, subject to availability.
- It's the perfect gift for ages 4 years old and up especially Jurassic World fans and those who love dinosaurs!
- Download the Jurassic World Facts app (Android and iOS) for more dinosaur fun! App lets you scan your dinosaur and watch it come to life, zoom in on dinosaurs up close, hear dinosaur roars, learn fun dinosaur facts and more.
Click here for more information |
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Gemini&Genius Allosaurus Toy
 | Lowest New Price: $11.99* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Gemini&Genius Allosaurus Dinosaur Toy for Kids, Dinosaur World Action Figure with Movable Jaw, Standing Pose Cake Topper, Party Gift and Prize Supplie for Kids or Dino Lovers- Manufacturer: Shenzhen Gemini Technology LTD.
- Brand: Gemini&Genius
- UPC: 769638081941
- EAN: 0769638081941
- PartNumber: Dinosaur Figure
Details:Physical Description:- Weight: 0.37699046802 Pounds
- Color: Allosaurus
Features:- ?Ideal toy or display model?Has Movable Lower Jaw For Multiple Positions For Display Or Play. So many great toys that are not only meant to be played with, but will also satisfy a collector’s heart! It’s ideal not only as a toy, but also as a display model. Great gifts, Collection, Cake Topper, Role-play, Storytelling props, Birthday party supplies and room decoration for kids and Dino Lovers
- ?Impressive Level of Details?This Model with exciting pose, Moveable Jaw and made of non-toxic, durable rubber material; ASTM/EN71/CPSIA/CE approved. Unique shape molded and delicate cutting cooperatively build a lifelike dinosaur model. Provides you with a realistic experience in a dinosaur world.
- ?Great Detail?The dinosaur is of excellent quality and can withstand regular play and rough storage and it still holds its shape well. It is hand painted with amazing detail, realistic, educational, and fun, this figurine is suitable for a range of interests, including collectors, teachers, and kids. Another special characteristic of this figure is the care in the details and postures, which gives the impression that the figurines are animated.
- ?Beautifully Finished and Durable?This figure is beautifully finished and the extreme attention to detail is universally recognized. This figure is made of a very high quality plastic.
- ?SIZE?Large lifelike Dinosaur Figure at 4 inches tall and 9.8 inches length; Weighs 6 ounces. The dinosaur models are reconstructed by using both science and art method. Bring life back to the most amazing animals once inhabited on Earth. So many great toys that are not only meant to be played with, but will also satisfy a collector’s heart! It’s ideal not only as a toy, but also as a display model.
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MOTIONRUSH
 | Lowest New Price: $54.75* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Jurassic World Camp Cretaceous Roar Attack Allosaurus Dinosaur Action Figure Dino Kids with Attack Roar Gift Bundle with 2 My Outlet Mall Stickers- Manufacturer: Motionrush
- Brand: MOTIONRUSH
- Model: MomDinoAllo
- EAN: 7427260706467
- PartNumber: MomDinoAlloHCL91|GWD06
Physical Description:- Size: 3.0 inches by 10.0 inches by 7.0 Inches
Features:- DINO BUNDLE INCLUDES: One Camp Cretaceous Roar Attack Allosaurus Dinosaur Action Figure and comes with 2 Exclusive Collectible My Outlet Mall Stickers!
- DISCOVER DINOSAUR JURASSIC PLAYTIME: This amazing Roar attack Allosaurus dinosaur from Jurassic world will have you laughing in uncontrolled thrills and adventure with Jurassic World roar Attack dinosaurs - amazing roar sounds - and lots of interactive dinosaur action plus bring these Roar attack TO LIFE with extended digital play using Augmented Reality
- INTERACTIVE DINO FUN: Roar Strike Camp Cretaceous Roar Attack Allosaurus Dinosaur Action Figure dino has movable joints for pose and play battle fun and each has a species-specific strike feature demonstrating the species' greatest strength in this case a HUGE body with sharp mouth full of teeth. Figures include realistic sculpting and authentic colorful decoration and are about 10+ inches long and 5.5 inches tall
- BUILT FOR HOURS DINOSAUR PLAYTIME: Camp Cretaceous Roar Attack Allosaurus Dinosaur Action Figure dino is the perfect gift for any age especially Jurassic World fans and those who love dinosaurs and action play! The interactive roars and attack movements are very impressive - Just scan the DNA code with any smart device to unlock the AR experiences
- GREAT GIFT DINO TOY FANS: An awesome holiday or birthday present for kids who love Camp Cretaceous Roar Attack Allosaurus Dinosaur Action Figure dino adventures - for fun play time inside or outside. ?Download the Jurassic World Facts app (Android and iOS) for more dinosaur fun! App lets you scan your dinosaur DNA code and watch it come to life, zoom in on dinosaurs up close, hear dinosaur roars, learn fun dinosaur facts and more
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Papo Multi Toy
 | List Price: $31.79* Lowest New Price: $25.61* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Papo - Hand-Painted - Dinosaurs - Allosaurus - 55078 - Collectible - for Children - Suitable for Boys and Girls - from 3 Years Old- Manufacturer: Papo
- Brand: Papo
- Model: 55078
- EAN: 3465000550783
- PartNumber: 55078
Details:Physical Description:- Size: 4.1 inches by 9.6 inches by 2.4 inches
- Weight: 0.15873282864 pounds
- Color: Multi
Features:- STIMULATES IMAGINATION - PAPO figurines enable children to invent new stories every day; They help develop their curiosity and stimulate their imagination
- LEARNING SUPPORT - Children aged 3 and over can discover the world around them through the many animals and characters, which provide a fun and comprehensive entertainment medium
- EXTREMELY DETAILED - Papo offers ultra-realistic figurines for real immersion in each universe; The accuracy of the postures, the faithful reproduction of the animal and the attention to detail really bring the PAPO figurines to life!
- HAND PAINTED FIGURINES - All PAPO figures are hand painted to provide a very high level of detail and finish; DISCOVER THE WORLD OF PAPO - Wild animals, sea animals, farm animals, horses, dinosaurs, knights, dragons, princesses, unicorns and much more
- FRENCH CREATION AND KNOW-HOW - All Papo creations are designed and developed in France, with the constant aim of providing a high quality play and learning medium
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MOJO Mixed Toy
 | List Price: $19.99* Lowest New Price: $18.73* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: MOJO Allosaurus Realistic Dinosaur Toy Replica Hand Painted Figurine- Manufacturer: MOJO
- Brand: MOJO
- Model: 387274
- EAN: 5031923872745
- PartNumber: 387274
Details:Physical Description:- Size: 7.75590551181102 inches by 2.55905511811024 inches by 6.37795275590551 inches
- Weight: 0.19 Pounds
- Color: Mixed
Features:- Toy Allosaurus figurine
- Hand painted. Highly detailed and true to life
- Collectable, educational and ideal for school diorama projects
- The perfect gift for enquiring minds
- Made to the highest specifications using the finest materials. MOJO Toy Figurines are Distributed by Legler Toys USA Inc.
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Mattel Toy
 | List Price: $80.99* Lowest New Price: $73.99* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: JURASSIC WORLD ROARIVORES Allosaurus- Manufacturer: Mattel
- Brand: Mattel
- Model: FMM30
- UPC: 887961576801
- EAN: 0887961576801
- PartNumber: FMM30
Details:Physical Description:- Size: 7.0 Inches by 2.75 Inches by 10.5 Inches
- Weight: 0.54895103238 pounds
Features:- Get ready for thrilling action and adventure with Jurassic World!
- Inspired by the movie, Roarivores dinosaur action figures feature push button sound activation and signature attack moves iconic to their respective species.
- Play out movie action scenes with signature attack moves like chomping, biting and head butting.
- Each dinosaur figure has articulated arms and legs, realistic sculpting and authentic decoration.
- Choose from Roarivores Triceratops, Roarivores Baryonyx, Roarivores Metriacanthosaurus and Roarivores Allosaurus.
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PNSO 45 Paul the Allosaurus Toy
 | Lowest New Price: $38.99* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: PNSO Prehistoric Dinosaur Models:45 Paul The Allosaurus- Manufacturer: PNSO
- Brand: PNSO
- Model: PNSO
- EAN: 6974180730245
- PartNumber: PNSO
Details:Physical Description:- Size: 6.0 inches by 12.0 inches by 8.0 inches
- Color: 45 Paul the Allosaurus
Features:- Illustrated by ZHAO Chuang, Text by YANG yang.
- Made of soft plastics, safe and innocuous, healthy and Eco-friendly.
- High detailed, realistic and exquisite.
- Excellent for educational purposes, endangered species awareness, environmental consciousness, plus gaining deeper knowledge of actual animals.
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EOIVSH Pterosaur & Allosaurus Toy
 | List Price: $19.99* Lowest New Price: $16.99* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: EOIVSH 2 Pack Dinosaur Toy Pterosaur & Allosaurus, Realistic Educational Plastic Dinosaur Figures, Plastic Wildlife Animal Model Figurines for Funny Collection, Birthday Gifts, Party Favor- Manufacturer: EOIVSH
- Brand: EOIVSH
- UPC: 760385073623
- EAN: 0760385073623
- PartNumber: 028-LargeDinosaur2Pack
Details:Physical Description:- Color: Pterosaur & Allosaurus
Features:- ?Dinosaur Toys for Kids: Includes 2 dinosaur figures ( Pterosaur Figure & Allosaurus Figure). The size of pterosaur toy is 6”*2.7”*3.1” and the allosaurus toy is 10”*2.4”*3.5”, These dinosaur model toys are designed large enough to fit for children's hands to hold and play, It's a amazing gift and educational toys for Children 3 years-old and up
- ?Vivid Details & Hand Painted: As dinosaur toys for kids, Each dinosaur figure is finely sculpted and hand painted by experts, highly detailed for a realistic appearance.
- ?Educational Dinosaur Toys Playset: With true-to-life details, active poses, these dinosaur figurines can easily help capture kids' attention and spark imaginative play, Great for education purposes, party favors, school projects, landscape scenes, baby shower and decoration
- ?Best Gift for Kids&Children: Our dinosaur toys are designed for children to learn and enrich dinosaur characters, help children to discover the wonderful dinosaur world through these animals figures. It's also perfect for dinosaur themed cake toppers, jurassic themed party favor, and bathtub toy, Perfect gift for teachers, children and dinosaur lovers.
- ?High Quality: As for children's toy, safe is always the first! EOIVSH dinosaur figures set are made of high quality PVC, non-toxic and odorless, thoroughly safety tested to safeguard your child's health. If you have any problem, feel free to message us through “contact sellers” , we will solve your problem as soon as possible!
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Ailejia Allosaurus Toy
 | Lowest New Price: $16.98* In Stock* *(As of 18:35 Pacific 29 Nov 2023 More Info)
Click Here | Description: Ailejia Big Allosaurus Jurassic Dinosaurs Toys Solid Educational Dinosaurs Park Model for Children Gift Dinosaur (Allosaurus)- Manufacturer: Ailejia
- Brand: Ailejia
- UPC: 714035829528
- EAN: 0714035829528
- PartNumber: TPR333
Details:Physical Description:- Size: 11.417322823 inches by 4.330708657 inches by 1.968503935 inches
- Color: Allosaurus
Features:- ? Don't worry about children being scratched by dinosaur toys, because the joints ( head / limbs / tail ) of dinosaur toys are soft.?Dinosaur toys don't break easily.
- ? Material -- Soft plastic?Safety and innocuity??The body of the toy is slightly hard and the other joints are soft; the joints are not easily broken. not hollow
- ? Size -- 11.4"×4.3"×2(29*11*5 CM); Size is very suitable for children to play, if Too large a size will make it difficult for children to take away their toys, Too small a size will make the toys easy to lose.
- ? Children can take dinosaurs to school to play dinosaur games with their classmates and increase their friendship with their classmates or partners.
- ? It's definitely a gift that children like, a lifelike shape that can satisfy their curiosity about dinosaurs?Help children understand Cretaceous animals.
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