We're a sucker for the cute ones. This mini-magician might not have much up his sleeve as far as slight of hand, but he's got energy.
In his bedroom theatre, ToxicMagic7 gives the lowdown on card levitation. Like many tricks of flight (read: Peter Pan, UFOs, girl at Beijing Olympics), it has a painfully logical explanation. String.
His trick execution is not yet there. But his tutorial does explain well the fundamentals.