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The perfect starter set for young train enthusiasts
like how the universe works
But every time Randy makes a sand mountain or a sandcastle
Discover the physics concepts of potential and kinetic energy as you experiment with your spring-powered machines
Spy Labs: Forensic Investigation Kit bedtime story The perfect starter set forCan you identify an unknown liquid or powder? What secrets become visible under a UV light? How do you analyze fingerprints, soil, ink, and handwriting samples? Assume the role of a forensic scientist to find out! Perform experiments on evidence in this large laboratory station using chemical and physical techniques. Analyze solids and liquids, make a fluorescent solution, inspect invisible ink, lift fingerprints, look for counterfeit bills, and