Online: What exactly is the monofilament guideline? It's a fancy word for 50-pound test fishing line! Oh yeah, it also keeps cars from soaring off the track. More Tips

Building a CO₂-Powered Racecar

Producing a CO2 racecar is a process with many steps. Each step requires a good deal of planning and effort. Hopefully, at the end of the project, you'll have a sense of accomplishment for a job well-done.

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