1 Musical Coil Toy Kit: This music coil has a circuit guard design that will not damage the input device. It can play square wave music of better than speakers, and by plugging in the power, the LED light bulb can be lit. 2 Long Arc Mode: with 0-10cm spark length adjustment. Long arc mode releases spark at a fixed frequency. When the knob is turned to medium power, spark can be touched with only a slight tingling sensation. 3 Easy to Use: No need to connect cable, just tighten the discharge pin, lower the power and frequency, and then insert it to present an amazing and sparkling melody. Supports horizontal or vertical placement. 4 Small and Powerful: This music coil arc generator supports square wave music. Generate different tones based on different discharge frequencies. Spark gap arcs can also jump with the rhythm of music. 5 Multiple Functions: This music coil has wireless transmissing and speaker functions, which can light up gas tubes and various bulbs, making it a perfect teaching tool to motivate students interest in science.
What's in the box
1 x Spark Arc Generator
