Balloon Crawler
Build a car at the event OR at home with the specified materials that uses a balloon for propulsion. “Race” your car head-to-head against everyone else (double-elimination format). The last car to touch the finish line wins.
Results
First Place - Travis S.
Second Place - Topher P.
Third Place - Thomas R.
Pictures
When
- Friday 08-July-2016
- Build-at-the-event: 5pm-7pm
- Contest: 7pm
Where
Out of Bounds Brewing
4480 Yankee Hill Road #100
Rocklin, CA 95677
Materials
- Masking tape (1/2”)
- 3x5 index cards
- Plastic straws
- Wooden skewers (aprox. 1/8” diameter round, 12” long)
- Standard Party Balloons

Car Rules
- The car must be built with only the materials specified (they don’t have to be identical but must be very similar)
- If you build your car at home you’ll still need to use an event-supplied balloon on your car for the actual race
- Only one balloon may be used in the final design (all other materials can be used as much as desired)
- Must be a car (minimum of three wheels)
- The car must start entirely behind the starting line
- The race is finished when any part of the last car touches the finish line
- The balloon must be the source of propulsion
- Repairs and modifications can be made between qualifying rounds
- You will have one(1) hour to build your car and approximately three(3) minutes between matches
Event Rules
- Build-at-the-event starts at 5pm
- Inspections for home-built cars starts at 6:45pm
- Brackets will be generated at random and races will start at 7pm
- Race track is aproximately 10’ in length
- Both cars must be released at the same time and the last car to touch the finish line is the winner, not the first
- Your car must touch the finish line within two minutes of starting
- If one of the cars in a race fails to touch the finish line within two minutes the car that did pass the finish line wins
- If both cars in a race fail to touch the finish line within two minutes a second race will be allowed
- If, on the second attempt, both cars fail to touch the finish line a coin will be flipped to decide the winner
Tools
You can bring your own tools – some scissors may be supplied
Example Car
Don’t know where to start? Here’s a simple car, built from the listed materials, that will go 10’ in a few seconds.

