Cool and colorful ring magnets.
Great as fridge magnets, for crafts and science projects.
Magnet size: 1.1 inch or 28mm in diameter, 0.39 inch or 10mm hole, 0.19 inch or 5mm thick.
Comes in assorted colors. Price is per each. Buy multiple to get assorted colors.
Perform awesome experiments using everyday materials found in any kitchen!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Get one of the craziest and coolest kaleidoscopes around!
Build over 100 exciting electronic projects with this easy to use kit!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.