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American Museum of Natural History.
Ginormous Hatchin' Grow Dino Egg
Your future Paleontologist will be so excited when a dinosaur hatches from this ginormous 4 inch egg after it is placed in water for 48 to 72 hours. After it has broken out of its shell replace the old water with fresh water and watch the dinosaur grow and grow. Recommended for ages over 3 years.