Desktop Tesla Coil Kit With Bluetooth Music Mode

<p>This desktop Tesla coil is a small science kit with a clear acrylic case that throws purple electric arcs above a black disc. Screw the discharge needle into the fixing hole on top, plug the power adapter into the jack on the host, and switch it on.</p><ul><li>Long arc mode: a steady arc you can touch lightly. At medium power it gives only a slight stinging feeling.</li><li>Music mode: connect a Bluetooth phone or computer, and the arc moves with square-wave music.</li><li>Wireless lighting: small neon tubes placed near the arc light up without a wire.</li><li>Two knobs set power and frequency, and a mode switch selects Music or Long Arc.</li><li>Measures about 3.54 x 3.54 x 1.3 inches.</li></ul><p>Use it as a hands-on physics demo for students or as a desk piece for a science fan. Set both knobs to their lowest position before switching on, and raise the volume slowly. Each unit is one desktop Tesla coil kit.</p>

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