Static charges are created on the plastic base by rubbing with the cloth which is included. The metal disc may then be used to transfer the charge to other devices, such as a Leyden jar or an electroscope. The insulating handle is clear acrylic.
Build a tumbling robot that gets up right after it has fallen down, without any outside help!
Build a hand that realistically moves its fingers using shape memory allow technology!
This great rock tumbling kit comes with everything you need to polish stones and gems!
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!
Easily assemble a working alarm motion detector!
Build your own models powered by air and water pressure to learn about the laws of physics in this kit!