The magnetic Rail Gun, also known as a Gauss Gun, uses the power of magnets in a chain reaction to accelerate a steel ball like a rifle shot. It's a great science project!
$39.00 more info
The Ultimate Science Project Experimenter's Catapult Kit! It's fully adjustable, multi-configurable and repeatable. It's a perfect model for learning the scientific method!
$59.00 more info
The TK3 Trebuchet Model Kit is an ideal science project machine! Use the hanging counterweight bucket for variable weights, or convert it to a fixed counterweight machine, wheels, or no wheels. The choice is yours!
$59.00 more info
The Mighty Roman ONAGER, Now available in a desktop model. This display-quality model really works and can shoot missiles up to twenty feet.
$26.95 more info