For a more evenly matched race, wind all rocket motors the same number of turns. Back to the Top Special Space Derby Events Speed. First rocket to reach the finish line wins. Last rocket to reach the finish line wins. Use two or more guidelines.
Boys form teams of twos.
The first boy releases his rocket, and as soon as it reachesthe other end of the line, his teammate removes it, rewinds it, puts it back on the guideline, and releases it. The first rocket to return wins. String a guideline which is about 12 inches from the ground at the starting line and 5 feet at the finsh line. Gradually, raise the high end of the line until all rockets have been eliminated. The one which climbed the highest wins.