The Rubber Tank Track is a versatile exciting toy that allows people to build their own robot develop their hs-on skills creativity. The rubber tank tracks provide excellent traction, allowing the car to freely to various terrains. Features -Color:Black -Material:Rubber -Size:15.00X6.00X1.50cm/5.89X2.36X0.59in -Ideal for diy making,during the DIY process, you can relax yourself increase your hs-on ability. -You can use theserubber tank tracks to replace broken damaged parts by yourself. -Enhances problem-solving creativity skills: improves the ability to find solutions think creatively. -Excellent traction on various terrains: provides great grip stability on different types of surfaces. -Compact light in weight design for easy to carry, sufficient quantitycan meet your quantity dems.Package list: 4 x tank track