This nifty Levitron gadget from ThinkGeek is “a magnetic anti-gravity top that is just as fun to setup as it is to watch in motion.” Video demonstration after the break. Click here for first picture in gallery.

Basically, you just use the included top weights to adjust to the perfect weight (which varies from location to location and surface to surface), then you adjust the legs on the base. Then spin the top, slowly lift the lifter (with top on it) until the top escapes the platform and release