Let's discover how to race far and fast! You'll learnhow vehicles are thoughtfully designed and testedand thenengineer four of your own propellercars. After you've built your racers, you'll test them out to see how each performs and accept the challenge to see how well you can control your vehicle.
• All-inclusive hands-on kit
• Activity guide
• Ages 9-14
• Not included: scissors, white glue, ruler, markers, tape, tape measure, stopwatch or timer, calculator