These cool dinosaur water toys gradually grows to 600% of their original size! An extraordinary experiment of prehistoric proportions! Place dinosaur in a container of water and watch it grow up to five times its original size within four days. Each piece in blister card packaging with comprehensive instructions. Dinosaurs include a T-Rex, Triceratops, Stegosaurus and Parasaurolophus.

– Remove dinosaur from water and it will shrink to original size.
– Dinosaur can grow again when placed back in water.
– Amazing fun and an educational experience!
– Takes up to 96 hours to soak up all the liquid.