-. Binding : Toy -. Brand : Unknown -. EAN : 0784411312906 -. Feature : This UFO ball lights-up and makes an eerie alien sound when touched or held in your hand / When the two electrodes are touched simultaneously, the device flashes and makes a pleasing warbling sound. / The Energy Ball utilizes a field effect transistor so even the slightest conduction between the two electrodes activates the Sphere. / The Energy ball is completely self-contained and requires no additional batteries or energy source. / It is often used to demonstate closed and open circuits by having two students each touch a different electrode and then activate the device by holding hands. -. IsAdultProduct : 0 -. Label : na -. Manufacturer : na -. MPN : na -. PackageQuantity : 1 -. PartNumber : na -. ProductGroup : Office Product -. ProductTypeName : TOYS_AND_GAMES -. Publisher : na -. Studio : na -. Title : Energy Ball Circuit UFO Ball Electricity Conductivity Science Project -. UPC : 731329483952