This equal mass set contains samples of tin, aluminum, lead, zinc and copper. You can use this set to conduct experiments that demonstrate the inverse relationship between density and length. Excellent for use in the physics classroom!
This magic bird defies gravity before your very eyes!
This classic desk toy will keep you amused!
Learn about hydrogen fuel cells with this incredible kit!
The Wimshurst Machine is a high quality static machine for student labs.
Defy gravity with this cool balancing eagle!
This toy combines the wonders of Sea Monkeys and glow-in-the-dark fun, all in one!
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