Smithsonian Prehistoric Sea Monsters

Incubate your own Jurassic park with Smithsonian Prehistoric Sea Monsters! These ancient-eggs-of-wonder are sure to hatch a surprise as they grow 20x bigger than their original size! Unleash a 220-million-year-old species and witness history come to life! Enjoy the ultimate educational experience and party with dinosaurs! (Science? Technology? Engineering? Math? Who knew STEM could be so much fun?)