Title: Doc Fizzix mousetrap racers
Description: Build cool, fast dragsters powered by the energy of a wound mousetrap spring, all the while discovering the fun of physics and engineering. Includes plans for seven different mousetrap racers, revealing speed and distance tricks, trouble-shooting tips and techniques and more.--
Subjects: Springs (Mechanism), Racing Automobiles, Models, Juvenile literature, Design and construction, Automobiles, Study and teaching, Toy making, Physics, Models and modelmaking, Automobiles, design and construction, Automobiles, juvenile literature, Toy making, juvenile literature, Machinery, models, Machinery, juvenile literature