Instructables
video Make Your Own 4-Wheel Balloon Car
Make 4-wheeled, air-powered cars that jet across the floor. Race 'em. Use 'em to play games! For step-by-step instructions visit the Design Squad website.



Here's what you need to make your 4-Wheel Balloon Car!


Jet:
Balloon
Flexible straw
Rubber band or tape

Body (Select one):
Water bottle
Toilet-paper tube
Juice box
Disposable cup (paper or plastic)
Fast-food or deli “clamshell” container (where the top and bottom connect with a seam in the back)
Ice cream container (pint or quart)
Milk carton (individual size)
Cardboard sheet
Orange-juice can

Axles (Select one):
Straws
Barbeque skewers
Chopsticks

Wheels (Select one):
Bottle caps
Candy mints (with a hole in the middle)
CDs
Cardboard circles

Connector for attaching wheels to an axle (Select one):
Dry sponge
Foam
Clay
Marshmallow (cut in half)

For step-by-step instructions visit the Design Squad website.