Wheels : CDs and Stripped wire
String attached to axle: Fishing Line
Body : Thick balsa wood , wire casing and the mousetrap itself.
Axle: Thin Pipe with screw grooves inside.
Dimensions of the car
Length : 29cm
Width: 12 cm
Height : 14cm
We then after this changed the size of the rear wheels and added the stripped wire.
After this we added weight to it and stacked double CDs at the back to increase contact with the ground.