Amazon has this Razor Ripstik Electric Caster Board
Ripstik electric puts the power of electrifying carving action in the palm of your hand
New power core technology features a powerful 100 watt, kick start in-wheel hub driven motor that pushes speeds up to 10 mph (16 km/H)
Patents pending and maintenance free (no alignment, no chain, no chain tensioner)
Powered by a 22V Lithium Ion rechargeable battery pack and includes a wireless (2.4 Ghz) digital hand controller and battery charger
Recommended for ages 9 and up; supports riders up to 143 pounds
