K'NEX Education STEM Explorations: Levers & Pulleys Building Set 23 Then check out the Bruder

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K'NEX Education STEM Explorations: Levers & Pulleys Building Set 23 Then check out the BruderSee science concepts in action with the K'NEX Education STEM Explorations Levers and Pulleys Building Set! This toy kit contains 139 pieces that students can use to build three replicas of real world simple machines. K'NEX toys don't just keep kids occupied they also foster their imaginations in creating designs. The STEM Explorations Levers and Pulleys Set is designed for students grades 3 5 (ages 8 and up). Thanks to the downloadable activities,