Dive into prehistoric seas with the Smithsonian Prehistoric Sea Monsters Value Set, a hands-on STEM experience that lets kids become explorers of ancient aquatic life. The kit includes everything needed to hatch Triops from eggs (often called “sea monsters”), raise them in a simulated habitat, and watch as they swim, grow and thrive—bringing the concept of “living fossils” to life. According to the product detail, Triops are creatures whose ancestors date back over 220 million years.

Perfect for curious young scientists, classrooms or families wanting engaging STEM activities, this set encourages observation, hypothesis-making, measurement and reflection. The included large full-color poster and guide deepen understanding of evolutionary biology, ecosystems and species adaptation. The growing Triops create an engaging display and generate real-time excitement.

The Prehistoric Sea Monsters kit is also a fantastic gift or educational tool for birthdays, science fairs or nature clubs. When the Triops mature, they become living conversation pieces that spark curiosity about our planet’s history—and that makes the science memorable and fun.

• Product Dimensions: 11.75" L x 2.50" W x 10.50" H
• Material: See packaging
• Play Pattern: Hands-on exploration & STEM play
• Skill Development: Critical thinking & scientific reasoning
• Care Instructions: Store all components in a clean, dry place and keep smaller pieces in labeled bags or containers to prevent loss. Use included tools, chemicals or materials exactly as directed and under adult supervision when required. Wipe surfaces and reusable parts with a dry or slightly damp cloth after use; never submerge electrical or sensitive components in water. Dispose of single-use materials responsibly after completing experiments. Keep kits away from heat sources, open flames and direct sunlight. Wash hands after handling science materials or experiment elements. For multi-session projects, label progress and store unfinished builds safely to protect components.

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