This adjustable tool is designed for use with a hand drill to accurately create new axle holes and a lower center of gravity for your BSA® and Pinewood Derby® car kits. The tool increases the accuracy of the body block by locking all four axle points together in one setting. Learn More
Have fun capturing the sun’s energy with three build-it-yourself, solar-powered science projects: a helicopter, a fan, and a windmill with LED.
Includes battery back-up (for indoor use) and a 23" x 16" solar science poster. Learn More