Smithsonian Prehistoric Sea Monsters

Experience the wonder of hatching and nurturing your very own prehistoric pets, which can grow to over 20 times their original size. Watch in amazement as you witness a 220-million-year-old species come to life right before your eyes.

• 24 fl oz jar required (not included).
• Kit includes sand, triops eggs, triops food and detailed instructions.
• STEM Environmental Science
• Age Grade 7+