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activate its output gear
UPC: 4008789050687
The accompanying story takes the characters from experiment to experiment and shows them how to power small machines with the help of water
it is difficult to build a molecule that doesn't actually exist
K'NEX Education STEM Explorations: Swing Ride Building Set 233 activate its output gearWatch 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
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