What material is the dinosaur made from?

I don’t know what the material is but it expands when put in water and shrinks again as it drys out.

How big do these actually get and if they shrink when dry do they re grow

They are not that big about 4" for the ones I bought for my grandchildren but they did not shrink on drying out, a bit slimy and squishy though but the kids loved them. Had great fun watching them hatch.

What temperature does the water have to be lost instructions

Just warm tap water did it for us - it cools quickly enough anyway.

Hatching Egg Dinosaur Egg For Hatching And Breeding

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Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🦕 Hatch, nurture, and grow your own prehistoric legend!

COLLECT CONQUER - Start your prehistoric collection with unique self-hatching dinosaur eggs—expand your dino army!
SCREEN FREE STEM FUN - Encourages curiosity, observation, and hands-on learning about nature and transformation.
SAFE READY FOR AGES 3 - Designed with safety first—no small parts or batteries, perfect for worry-free gifting.
BUILD EMOTIONAL INTELLIGENCE - Daily nurturing fosters patience, responsibility, and empathy in young minds.
WATCH YOUR DINO COME TO LIFE - Submerge the egg and witness your T-Rex hatch and grow—no batteries or assembly needed.

The Keycraft Nurchums Dinosaur Hatching Egg is an 11 cm T-Rex toy that self-hatches within 72 hours when submerged in water and expands over 14 days. Designed for kids aged 3 and up, it promotes STEM learning, responsibility, and imaginative play without batteries or assembly. Part of a collectible series, it offers a safe, screen-free interactive experience that turns nurturing into prehistoric fun.

Specifications

ASIN	B06XPJ89M5
Age Range Description	Kid
Animal Theme	Dinosaur
Are Batteries Required	No
Best Sellers Rank	597 in Toys & Games ( See Top 100 in Toys & Games ) 3 in Kids' Play Dinosaur & Prehistoric Creature Figures
Brand Name	NURCHUMS
Collection Name	Dinosaurs
Colour	Orange
Country Of Origin	China
Customer Package Type	FFP
Customer Reviews	4.3 4.3 out of 5 stars (352)
Educational Objective	Develop nurturing skills, patience, and a sense of responsibility and compassion through a simulated dinosaur life cycle experience.
Global Trade Identification Number	05037832305862
Inner Material	Plastic
Is Assembly Required	No
Is Autographed	No
Item Dimensions	14 x 9 x 9 centimetres
Item Dimensions L x W x H	5L x 5W x 5H centimetres
Item Type Name	Large T-Rex Hatching Egg
Item Weight	141 g
Manufacturer	Keycraft
Manufacturer Part Number	Nurchums brand
Material Type	Plastic
Maximum Age Recommendation	12
Minimum Age Recommendation	3
Model Name	Gran huevo eclosionable de t-rex
Model Number	NV273
Number of Pieces	1
Number of Players	1 x
Operation Mode	Manual
Outer Material	Plastic
Play Activity Location	Tabletop
Power Source	Battery
Scale	Small
Size	Large
Special Features	Growth and hatching process
Style	T-Rex
Supported Battery Types	No battery required
Theme	Dinosaurier
Toy Figure Type	Play Figure
Unit Count	1.0 count
character	T-Rex

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