This circuit has a very low power consumption, as the electromagnet is only on for about 20ms! The other major components are a LM358N op-amp, a CD4001B quad CMOS NOR gate, and IRFD-120 MOSFET.

Discover how to create an electromagnet with ABC11 Science Club with BASF. Discover how to create a magnetic field with a few simple items in this video from ABC11 Science Club with BASF.

With another electromagnet below pushing it with a lot of force, we should see it fly up in the air. Something tells me we're going to need these. Goggle up. JOE: 3, 2, 1 and-- [snap] Whoa!