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.
Provides the power to execute all the basic electrostatic demonstrations on an energetic and dramatic scale with up to 350,000 volts!
View the glory of space with this hi-tech telescope set!
Build a hand that realistically moves its fingers using shape memory allow technology!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Every kid needs one of these spheres!
Great reference card for chemistry and physics students.
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