Feature:1. Each wheel has to be made after 3 inspection processes from material to wheel to ensure a 99.9% pass rate2. The outside is an artificial wheel shape, the color is yellow and black, and the appearance is more threedimensional3. The rubbercoated wheel has the characteristics of smooth running and better gripping ability4. Allow the fourwheel drive smart car to realize left and right translation, largeangle drift, tilt 45 direction movement, square track movement and other movement modes5. Omnidirectional Mecanum wheel is compatible with building blocks and for TT motorsSpecification:Item Type: Mecanum WheelMaterial: ABS, rubberPurpose: DIY smart car accessoriesDiameter: Approx. 60mm / 2.4inCoupling Type: For TT coupling.Package List:2 x Left Wheel2 x Right Wheel