Description: Bluetooth Control 3WD Omni Wheels Robot Car Chassis Steel Frame + Bluetooth control Suite+ 3pcs DC motor for DIY Toy Car Owi Robot Competition The three-wheel drive platform can realize omni-directional movement by using omni-directional wheel technology. Provide enough space for sensors, controllers and other equipment;You can build the car floor by yourself. Few accessories, easy to install. Specification: Omni wheel material: nylon Wheel diameter: 58mm Base material: steel Motor: 25mm 12V motor/ 25mm 9V Motor (Choose One) Product weight: about 0.78KG Product load: about 3-9KG (determined by motor speed voltage) Size Chart: Name: 3wd Omni wheel Robot Car Chassis: Stainless Wheel:Omni Wheel Color: Black Motor(Optional): 12V with Code Disc/9V with Code Disc/12V without Code Disc The Side Size: 145mm Weight: about 2 kg Load: about 4kg(Depends on Motor) 58mm Omni wheel Body&Roller Color: Grey &Black Diameter: 58mm Roller Diameter: 13mm Body Material: Nylon Roller Material: Nylon+PE Net weight: 60g Package Includes: Top Board: 3pcs Motor: 3pcs Motor Bracket: 3pcs Omni Wheel: 3pcs Bluetooth control Suite: 1 set Screws: 1 set Free Hexagonal Wrench