Use this open-type Hoffman screw clamp for a variety of demonstration or science experiment applications. It is made of chrome-plated brass, and features a 1" opening. Good for science projects, lab use and more.
This kit focuses on teaching children about electricity and how electronic devices work!
Build a robot that's an artist too!
Easily assemble a working alarm motion detector!
Make the coolest 3D pin art on your desk with this amazing desk toy.
A beautiful desk toy for your favorite person’s office!!
With this kit, you can conduct 25 experiments to learn how an electric motor converts electricity into motion, and how an electric generator does just the opposite, converting motion into electricity.