This great rock tumbling kit comes with everything you need to polish stones and gems. Tumbling is easy: just place a few rocks or minerals into the tumbler with some grinding powder, and start tumbling! The grinding powder duplicates the erosion process that takes thousands of years in nature. It also comes with jewelry-making accessories to display the rocks, and is excellent as a birthday present or Christmas gift.
Get swept away by this fantastic robot kit that uses vibrations to move!
Easily assemble a working alarm motion detector!
With this cool electronic kit you get to assemble your own mini electric guitar!
Head into the lab for an in-depth investigation of genetics and DNA!
This adapter-powered butterfly uses Flexinor wires to create a realistic visual effect!
This illuminated orbiter is great for demonstrations in the astronomy classroom!