Nut off Bolt Screw Magic Trick

No switches are required. In fact, no sleight of hand is needed.
Take the bolt and nut out and let the audience screw the nut onto the bolt.
Ultra energy is applied to the bolt, Obviously you'll see the nut began to spin up, Until it completely unscrew to come off the bolt.
Bolts and nuts, before or after performance can be handed over to the audience to check.
Brand New and High Quality.
Can be immediately repeated as many times as you want.
No switches are required. In fact, no sleight of hand is needed.
Material: Metal
Dimensions: 5.3*1.1*1.1 cm (Length*Width*height)