Musical Coil Touchable Artificial Lightning Spark Gap Arc Generator for School AC100?240V EU Plug

Musical Coil Touchable Artificial Lightning Spark Gap Arc Generator for School AC100?240V EU Plug Description

1??Long Arc Mode: This artificial spark gap arc generator uses a long arc mode to release spark at a fixed frequency. When the knob is turned to medium power, you can touch the spark and only feel a little tingle. 2??Easy To Use: This musical electromagnetic coil speaker does not require a connected voice cable and is simple to operate, just tighten the discharge pin, turn down the power and frequency, then plug in and it will present amazing shimmering melodies. 3??Good Performance: This wireless transmission experiment model supports square wave music, which produces different tones according to different discharge frequencies. The spark gap arc can also jump to the rhythm of the music. 4??Multifunctional: This music coil is multifunctional with wireless transmission and speaker function, it can light up gas tubes and all kinds of bubbles, it's a perfect teaching tool to stimulate students' interest in science, it's a great gift. 5??Circuit Guard Design: This science teaching experiment model has a circuit guard design that won't damage the input device, plays better quality square wave music than curved plasma speakers, plugs in and can be lit with an LED bulb, and it works like a charm.