These are rocket powered Match-Box cars. Each only costs about 2 dollars, so you can make many for not that many funds.

Get Materials

1 Package Of Mini-Rocket Engines, 7 Dollars (A10-3T OR A10-PT)
1 Roll Of Duck Tape, Free
A Few Matchbox Cars
An Electric Model Rocket Igniter

Construction

In this step we make the actual car.
1) Cut A 1/2 inch by 8 inch piece of duck tape.
2) Place engine on roof and tape on.
3) Insert igniter and plug in engine (like A normal model rocket).

Launching

All you do is:
1)Put car on a long, flat, and smooth surface (road, driveway)
2)Hook up the launcher thing.
3)LAUNCH!
4)Have fun showing off to your friends.

By: zjharva

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