This is a polished anodized aluminum sphere which, when grounded, is used to receive the intense arc discharges from the Van de Graaff generator dome. The flexible grounding lead is 90cm long and has a banana plug at one end which connects to the base of the sphere and an alligator clip at the other end which connects to the ground post on the base of the generator.
Command robotic creations with this cool construction kit!
Get one of the craziest and coolest kaleidoscopes around!
This superb chemistry set features 350 mind-boggling experiments!
Infiniview comes with a 3.5" LCD screen and rechargeable Lithium Ion battery that will last up to 2 hours in the field.
Build a model green house and 9 other green energy-related devices with this great kit!
This kit focuses on teaching children about electricity and how electronic devices work!