A small anti-gravity toy DIY, standing on the table back and forth, shaking and moving, but will not fall. Simple and interesting small invention, ready to use a scrap hard drive, a compact disc, a small electric motor and a power supply box are almost ready to start.
Remove the metal disc from the scrapped hard drive on the desktop.
Apply glue in the middle and paste a joint. The blue part with holes is used to connect with the rotating shaft of the motor.
Paste the motor on the CD disc, rotate it through the hole in the middle, and connect it with the blue connector on the metal disc. If it is not tight enough after inserting it, you can apply glue.
Finally, install the power box on the CD and connect it to the motor. When the power is turned on, the motor will drive the metal disc to rotate, while the CD disc does not move. You can see that this small device starts to spin in place without falling down.
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