EXCELLENT TEACHING TOOL---- It continues to fascinate young and old alike with its mysterious force that seems to defy gravity, to spark kid’s interest in physics and science. alleviating hyperactivity in children, development of intelligence and coordination of fingers. | UNIQUE STYLING---- The rotor of the gyroscope has good hollowing mode, laser cutting, no flash burr, smooth plane, and a balan

DIVERSE LIGHTING EFFECTS ---- Three different lighting demonstration effects, you will have more fun in the demonstration of Tesla coil. The package does not contain Tesla coils. | GLOW TUBE ---- When demonstrating the wireless transmission of Tesla coil, the red and yellow light effect is displayed. There are many tip at the bottom. Touching each tip with your finger will display different characters. Do not touch the bottom tip with your fingers for a long time, because the metal will be hot when conducting electricity. | ULTRAVIOLET LAMP ---- When demonstrating the wireless transmission of Tesla coil, the white light effect is displayed. Applicable to all Tesla coils. | SPARK INTEREST IN SCIENCE ---- When you take the light close to the tesla coil, the light is on, it’s absolutely a magic for kids even for adult, we can’t wait to hunt out the knowledge behind it. | AMAZING CONVERSATION PIECES ON YOUR DESK ---- It's funny to see people's looks and reactions when your Tesla coil works and displays these lights. All of your guests want to know what happened, icebreaking success.