K’NEX Education STEM Explorations: 3-in-1 Classic Amusement Park Building Set – Multicolor & Motorized, Creative-Learning Construction Model for Ages 9+, Engineering Toy for Boys & Girls, Adults
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K'NEX Education ‒ STEM Explorations: Roller Coaster Building Set – 546 Pieces – Ages 8+ Construction Education Toy
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K’NEX – 35 Model Building Set – 480 Pieces – For Ages 7+ Construction Education Toy (Amazon Exclusive)
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K’NEX Imagine: Power and Play Motorized Building Set – 529 Pieces, STEM Learning Creative Construction Model for Ages 7+, Interlocking Building Toy for Boys & Girls, Adults
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