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Product Review
- 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
- Extra materials included! Each order comes with rubber bands to add traction and 1/4" dowels
- Easy to work with! If you've built a car project with CDs for wheels, you know what a hassle that is. These wheels fit snugly onto sturdy wooden dowels - easy for kids to use!
- Wheels measure 4.75" in diameter and 1/4" wide tread. Axel hole inner diameter is 1/4". The dowels are 1/4x6". The rubber bands are 1/8x3.5".
- Made of sturdy, safe, reusable, and recyclable (#5) polypropylene plastic.
