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Era: mid 1990s to mid 2010s
See-through standard 48” dynamic brake fan housings with fan blades visible inside
SXT40993 Car #760923
potentiometer and Bluetooth module
PATHFINDERS STEM kit Medieval Catapult Era: mid 1990s to midThe 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