From Toysmith’s Hatchin’ Grow collection comes the popular Ginormous Hatchin’ Grow Dino Egg. Each 4.5-inch speckled egg comes in its own colorful box and dissolves in water to reveal 1 of 4 assorted dinosaurs inside. Submerge egg in water for 48: 72 hours to dissolve. Assorted dinosaurs include a T. rex, parasaurolophus, triceratops, and stegosaurus. Pack quantity includes 8 individually boxed dino egg water-grow toys. • Age Grade: 5+ • Product Dimensions/Weight: 3.8 L x 3.4 W x 5.3 H / 0.4 lb • Inner Pack Dimensions/Weight: 13.7 L x 8.0 W x 5.6 H / 5.2 lb • Made In: China • Batteries not required