These wind-up wooden spool cars are simple to make but will provide hours and hours of fun and entertainment for both the young and old. These little vehicles go together very quickly and easily, and ...

Introduction Admit it, you’ve probably launched a rubber band at least once—pulled one end back, and let it go flying. Did you ever suspect that rubber bands could also be a fun way to learn about ...

There are lots of ways to make a rubber band car using things from around the house. This design takes a few clever turns to the classic toy, including one that would be near and dear to any rubber ...

When you were a kid, did you ever have one of those toy race cars that was powered by a wound-up rubber band? If you did, chances are it wasn't quite as striking as Cirin. Modeled after mid-1950s ...

brainstorm solutions to design challenges. build, test, and evaluate a rubber band-powered car. communicate the design approach to others. distinguish between potential and kinetic energy. spring ...