Large Plastic Toy Project Wheels and Axles, for Mousetrap Car and Rubber Band Car Projects, 20 Wheels, 20 Rubber Bands, 10 Dowels

Large Plastic Toy Project Wheels and Axles, for Mousetrap Car and Rubber Band Car Projects, 20 Wheels, 20 Rubber Bands, 10 Dowels

• Ideal for science and engineering projects, these wheels are designed to make your rubber band-powered vehicles and mousetrap cars perform the way you expect.
• The wheel axle hole has 4 teeth to grip the included 6 x 1/4" dowels, preventing slippage. Rubber bands add traction to the outer wheel. Extra dowels and rubber bands included.
• Easy to work with! If you have built a car project with CDs for wheels, you know what a hassle that is. These wheels fit snugly onto sturdy wooden dowels.
• Wheels measure 4.75 inches in diameter and ¼ inches wide tread, axle hole inner diameter is ¼ inch, the dowels are ¼ by 6 inches, the rubber bands are 1/8 by 3.5 inches.
• Made of sturdy, safe, reusable, and recyclable polypropylene plastic.