Because it is cheap and easy.
No
It won't stick when the rubber is stretched.
Absolutely not and you should use the same manufacturer of the paint you have on there also. Sorry you can only use a chlorinated rubber base paint on a rubber base paint. If you try to paint with the chlorinated rubber base on top of a synthetic rubber base paint it will probably peel like a bad sunburn.
Use the paper to make he body, propeler, and wheels. Use the paper clips for wheel axles. Use the straws to hols the axles and use the tape to tape the axles to the ody.
NO, it will not penetrate.
Make sure you use rubber fuel line
Yes yes it does cause you use that rubber to make tires for your car
No
Make it into a slingshot
use pencil and rubber band.
use rubber soles
Metal and rubber
Super glue
Use rubber as your sole and clothe as your shoe thing
i don't know a hundred, but you could make a rubber band gun, and a rubber band ball, or a rubber band chain. just look on youtube for instructions.
The importance of rubber is; we use it to make condoms. LOL
plastic rubber glass metal