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)
An ancient toy featuring optical illusion and hands-on fun that never grows old!
Build a model green house and 9 other green energy-related devices with this great kit!
View the glory of space with this hi-tech telescope set!
This illuminated orbiter is great for demonstrations in the astronomy classroom!
Get swept away by this fantastic robot kit that uses vibrations to move!
The large realistic model has removable organs that can be studied and set back into the correct position.