The Ben 10 interactive wrist strap activates the alien identifier. Complete with monster images and sounds and lights. Ben 10 wrist strap fits all. Size when ready to use (H)81, (W)87, (D)33cm. Size when folded (H)23, (W)87, (D)14cm. Scooter folds easily for storage. Rear foot brake. Adjustable handle bar height 73-85cm. Requires 3 x AAA batteries (not supplied). Weight restriction 50kg. Minimal assembly required. Made from steel and plastic. For ages 5 years and over. Design and specification may vary.