A button, wood would be best, the only drawback is that one would have to make the holes for the thread larger so you could fit the axel in. CD's are probably the least expensive, and easiest to use. Plus, if you have to make a modification to your car, you can just buy smaller or larger CD's!
CDs make good wheels,
a mousetrap car is a simple machine that can be used in races. it can also help people to gain problem solving skills A mousetrap car, is a group of simple machines used together to use in races. It can be made from recycled items, and can be very cheap depending on the items you use to make your car. I used; Moustrap, CD's, ruberbands, wood plank, nails.
The wheel is used to make traveling easier. Wheels are also used so that items can be transport easier. Wheels are also a part of machines.
Sprockets are a kind of wheels that have teeth to keep a chain in place an moving from the action made by another sprocket. Sprocket wheels are used for bikes and on roller chains.
Big sized ones for example vinyl records or if u don't have those use Cd's.
He used plant and animals
Dry meausuring cup
Cobra wheels are designed for Mustangs, but if one is adventurous they can be used for other sports cars. Cobra wheels range in price from relatively inexpensive upwards to almost $2000 or more.
Super Glue or duct tape
Wheels have been used for about 5,000 years.
www.wheelfire.com is the best place to find used 4x4 wheels. they have quality used 4x4 wheels and are priced well. you never have to worry about wheels from wheel fire.
hypothesis