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The Electrical Energy Tube will truly amaze kids as they watch the electrical charges in their own body trigger the lights and sounds in this amazing science toy. The 7.5 inch (19cm) tube contains electrical circuitry that teaches kids about electroconductivity - when they grasp it with one hand nothing happens, but complete the circuit with the other hand and watch it spring into action. Have over a dozen people hold hands in a circle and then complete the circle with the energy tube - the tube will blink with lights and a UFO-like sound demonstrating that humans conduct electricity! Use to find materials that conduct electricity. Totally safe. Ages 6 & up
What is the relationship between the material used and the amount of electricity it conducts?