Pathfinders is dedicated to creating compelling, innovative, wooden science kits and models that challenge children of all ages to explore the link between science, design, and technology in the world around us. We are an environmentally friendly company and use recyclable materials, natural, untreated wood, and local resources and production as much as possible. This catapult re-creates the way in which tension powered siege engines worked and can fire small clay balls (included) and other soft projectiles – over 15 feet! "THIS ITEM IS NOT INTENDED FOR USE BY CHILDREN 12 AND UNDER. "