This set of two miniature remote controlled hovercrafts are the world's smallest. Available only at Hammacher Schlemmer, the crafts' two-channel, infrared remote joysticks provide digital proportional control of the rudder--a slight touch left or right turns the rudder accordingly and a nudge on the throttle boosts the top speed to nose out a competitor just before a crucial hairpin turn. Best when hovering over smooth surfaces. Its durable EPP foam construction will withstand a fall down an entire case of stairs. The built-in rechargeable battery provides five minutes of play from a 10-minute charge from the remote. Requires eight AA batteries. Ages 8 and up. Each 3 1/2" L x 2 3/4" W x 3" H. (3 oz.)