K'NEX Education STEM Explorations: Swing Ride Building Set 72 ellipsograph

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K'NEX Education STEM Explorations: Swing Ride Building Set 72 ellipsographWatch kids turn your living space into an amusement park with the K'NEX Education STEM Explorations Swing Ride Building Set. Children can build a working swing ride with this educational building set. Each package contains 486 brightly colored pieces, including variously sized connectors, and multiple styles of rods: short, long, straight and curved . Parts can be connected together to create constructions that actually move, thanks to a battery