K'NEX Education STEM Explorations: Gears Building Set Columbus with a belt drive and

with a belt drive and high-grip tires

including rods and connectors

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K'NEX Education STEM Explorations: Gears Building Set Columbus with a belt drive andPrepare your child for the real world at an early age with the K'NEX STEM Explorations Gears Building Set! With the 143 assorted parts and pieces in this set, children can build three fully functioning, unique geared models such as a crank fan, an egg beater, and a car window! K'NEX rods and connectors are plastic and made with a high quality construction. Mix and match all of the parts and pieces and be amazed at what you can create with this