An affordable, lightweight, plastic, 4-bladed propeller that can be attached to the end of a DC motor. Use it to propel small cars, boats, a fan, or even a wind generator! Great for use in tandem with a solar cell or a battery pack. Compatible with a wide variety of science fair projects.
Build your own windmill generator kit by recycling a plastic bottle!
This mirascope creates a 3D hologram image!
Command robotic creations with this cool construction kit!
Perform awesome experiments using everyday materials found in any kitchen!
This simple but amusing magnetic toy will keep you busy for hours!
Build your own 10 inch kaleidoscope with this great kit!
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