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.
This magnet has a strength of: 450 Gauss (0.045 T)
Find the hidden crystals when you open your own geodes from this fun set.
Learn how solar cells transform light into electrical energy with this great kit!
A cool kit that helps you build your very own robotic arm!
Use this awesome prism to teach about optics and light in the classroom setting!
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!
Build your own windmill generator kit by recycling a plastic bottle!