Levitron Revolution with EZ Float Technology (Levitron price $99)
To float an object, you first levitate the included small magnetic disc. Four LED lights on the base station help guide the alignment. Next, place your item of choice on top of the disc. The Levitron automatically compensates for changes in weight by making up to 1,000 corrections per second to the electromagnets contained within the base.
Features and specs:
Dimensions (base station): 4" x 4" x 0.75"
Dimensions (floating disc): 2" diameter
120V AC wall adapter
Vat19 sells this awesome contraption for $99.99. However, they’re currently sold out until 11/28.