These toy car wheels are ideal for creating custom vehicles and enhancing science projects. Their durable rubber construction provides smooth and reliable movement, making them suitable for various applications. Whether you're building a model car or a robotic device, these wheels offer the performance and versatility you need. Features -Color:Multi -Material:Rubber -Size:3.00X3.00X1.30cm/1.18X1.18X0.51in -Practical learning: these toy car wheels are suitable for science and robotics projects, offering children a practical learning tool that enhances creativity and problem solving skills -Flexible size: with a 30 mm diameter, these wheels are suitable for a variety of model vehicles, making them a versatile choice for different projects -Robust material: made from durable plastic, these wheels are designed to be durable and reliable, ensuring they can withstand long term use -Smooth performance: the wheels are designed to rotate smoothly, providing a seamless driving experience that adds to the enjoyment of toy cars -Multiple applications: these wheels are ideal for use in various settings, including homes, schools, and laboratories, catering to different project needs Package list: 5 pcs x 20pcs toy tires