Top Race&reg; Remote Control RC Blocks, Vehicle Building Kit. Build Your Vehicle and Drive it with the Wireless Remote Top Race Remote Control RC Blocks, Vehicle Building Kit. Build Your Favorite Vehicle and Drive it with the Included Wireless Remote Full Step by Step Guide included Easy to Follow. Includes 127 Pieces for 4 Vehicles, Excavator, Motorcycle, Truck, Trailer. Transmitter uses 2 AA Bat. Motor Uses 4 AA Bat. (Not Included) Ages 6+