DC25WRIM - MOTOR DC 9V W/WHEEL 57MM AND RIM ALUMINUM BRACKETS TERMINAL KITThis kit is all about convenience. It has everything you need to have a motorized wheel assemble that is ready to be installed to your projects. All aluminum pieces (rim motor bracket terminal block) are extra strength and anodised to prevent corrosion. Features: Compatible with all OSEPP mechanical kits LEGO Technic parts and MakeBlock parts and kits. Kit includes: Motor Specifications: 1 x DC 370 motor 25mm PCB Voltage Range: 6V 18V Voltage