This Hatching Dino surprise egg from SES Creative turns a simple container of water into a hands-on discovery: place the EVA egg shell in water and watch a baby dinosaur grow and hatch over about a week. This grow-your-own dinosaur toy is made from EVA egg shells and colorful dinosaur figures with colorants, creating a durable, tactile surprise that sparks curiosity. This educational activity suits ages 4+ and works well for sensory play, basic science exploration, or a fun bath-time experiment as children reveal different dinosaur designs. This premium Made in Holland collectible makes a memorable gift, classroom treat, or party favor for budding paleontologists.