Moses Growing T-Rex Put this T-Rex in cold water and watch it grow to about 50 cm in 15 days! It can also shrink again. When the dino is big enough you can play together! Specifications: Color: red Gender: junior Material: plastic Package dimensions: 10 x 15.3 x 6.3 cm (L x W x D) Dinosaur dimensions: up to 50 cm Age: from 5 years