Ebay offers Razor MX650 Dirt Rocket High-Torque Electric Motocross Dirt Bike for $524.99 (reg. $899.99) free shipping.

Product Description:
Let your kids ride around in glee on this thrilling Dirt Rocket motor bike. It has twist-grip acceleration control and can accelerate to speeds over 17 miles per hour. This motor bike has sturdy steel construction and a realistic super cross dirt bike frame. It also has dual suspension, hand-operated disc brakes, and a chain-driven motor. With one charge on its 36-volt battery rechargeable battery, you can ride for up to 40 minutes continuously.