Musical Tesla Coil 20cm Lightning Storm Electronic Toy Science Physical Toy Halloween Sale all parts are exquisitely polished

all parts are exquisitely polished by professional abrasive tools

The compression ratio of a gasoline engine is generally 5-8

battery charger

With this accessory

Musical Tesla Coil 20cm Lightning Storm Electronic Toy Science Physical Toy Halloween Sale all parts are exquisitely polishedMusical Tesla Coil 20cm Lightning Storm Electronic Toy Science Physical ToyFeatures:. Small Lightning Storm: The mainstream structure of modern Tesla coils, using modern power tube IGBTs instead of lighters, no loss of parts, can work continuously for a long time. You can use it to create a small lightning storm show on the desktop. . Interesting: It does not need to be grounded, it can be used when it is plugged in, and the lightning can be drawn out