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546 ASSORTED PIECES –This K'NEX Education set includes 546 parts, plus a battery-powered motor, for a single child or a team of two to three children

K'NEX Education ‒ STEM Explorations: Roller Coaster Building Set – 546 Pieces – Ages 8+ Construction Education Toy

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Your child can explore STEM concepts while building a working roller coaster with K'NEX Education STEM Explorations Roller Coaster Building Set! The set will engage and energize middle-school children as they boost their understanding of the STEAM (science, technology, engineering, art, and math) concepts associated with a real-life amusement park ride.

K'nex Education - Stem Explorations: Roller Coaster Building Set