Make your very own metal detector robot. Drive the robot back and forth with the remote control to embedded treasure hunt. When you hear a beep, you found something metal! By removing the metal detector unit, you can obtain a handheld metal detector that you can easily search for in your home. This set includes a metal detector unit, chassis with axle and gear, 1 axle, 4 wheels, 1 engine, 1 engine cover, 1 short axle, 1 gear, 1 key, 1 eye plate, 2 adhesive eyes, 1 cable and key remote Includes control box, 1 battery compartment cover, 1 connecting cable (100cm), 1 washer screw, 4 terminator stoppers, screws and build guide.