How to Make Balloon Rocket Cars
To make balloon rocket cars, first gather your supplies. For the vehicle, you will need 1 corrugated sheet of cardboard or plastic; 2 plastic coffee stirrers; 1 plastic drinking straw cut into two equally sized pieces; 4 foam disks for the wheels (or cardboard cut into small circles) Tape; For the Rocket Balloon Power you'll need 1 plastic drinking straw; 1 Balloon