You do not need Harry Houdini to make an object float on the mid-air. All you need is the IFO 3000, a magnetic field powered device controlled by microprocessor that makes it to levitates objects (IFO 3000 accessories).
There are many accessories you can choose for the IFO 3000 such as picture frame, a globe, a mini copper model, an LCD alarm clock, and color changing night-light.
The IFO 3000 will cost you £54.50 (around US$112) and the accessories are priced at £12.95.
IFO 3000 Levitating Objects for Your Desk [via chipchick]