A multi-configurable catapult kit designed specifically for school science experiments. Test counterweighted vs. spring powered, sling vs. spoon launcher, wheeled and not, arm stop or let it swing through, and any combination. Experiment Guide included!
$39.00 more info
The new and improved 21st century version of the trebuchet uses modern engineering principles for incredible power and range!
This compact and portable machine can
throw a golf ball over 200 feet!
$139.00 more info
The Scorpion II was designed from the start to hurl golf balls and tennis balls, but you can try it out on just about anything small and round.
$69.00 more info