These are ideal for DIY enthusiasts and hobbyists looking to upgrade their model cars or create custom toy vehicles. The rubber coating ensures excellent traction and durability, making them suitable for both indoor and outdoor use. To install, the wheels are ensuring a secure and stable connection for optimal performance. Features -Color:Multi -Material:Plastic + Rubber -Size:2.50X2.50X1.00cm/0.98X0.98X0.39in - materials: made from rubber, these wheels are designed to withstand wear and tear, ensuring use in various projects - : suitable for educational purposes, these wheels are great for building science and technology models, fostering a love for stem subjects in children -Eye catching design: the sleek and realistic design of these wheels will enhance the visual appeal of your models, making them more attractive -Enhance toy functionality: use these wheels to upgrade toy vehicles, adding more functionality and excitement to children's playtime, encouraging imaginative play -Wide application: these wheels are not to toy cars; they are also ideal for diy projects, robotics, and other creative endeavors, making them a versatile addition to your toolkit Package list: 100pcs