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Proto MAX(TM) metal knuckle couplers
potentiometer and Bluetooth module
Dynamic brake cab door with low door handle and low mounted door handle bumper
27573 Cab # 7009
PATHFINDERS STEM kit Medieval Catapult Proto MAX(TM) metal knuckle couplersThe catapult has a long and interesting history. It has been around in many forms, evolving since about 400 BC. This model is based on the medieval styles that were used during the middle ages. Standing 15 cm tall and 12 cm wide, this siege engine can shoot a plasticine ball over 15 feet! Adjustable pads on the crossbar allow you to change the trajectory angle. The rope, strung through the middle gives great power to the swing arm! Easy to make in