Stack all 5 of these colorful tops and watch them spin! Just use the wind-up device to wind the tops, push the button to release the top, and then you’ll be mesmerized as all 5 tops spin at once. Excellent as a toy or gift.
Build over 100 exciting electronic projects with this easy to use kit!
Great microscope for viewing both slides and 3D objects such as flowers, bugs, rocks and more. Includes all accessories!
Explore the wonders of wind power with this amazing kit!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
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