This test tube brush is a must-have for the science classroom or laboratory. This test tube brush is made of nylon. Great for cleaning test tubes in a classroom or laboratory setting.
Build a hand that realistically moves its fingers using shape memory allow technology!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Build a model green house and 9 other green energy-related devices with this great kit!
Easily assemble a working alarm motion detector!
This kit includes several different projects that demonstrate the power of magnets!