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K’Nex 77053 Simple and Compound Machines

K-Nex-77053-352-Piece-Simple-and-Compound-Machines-Set-for-2-to-3-Students-K-Nex-77053-p-The-K-Nex-77053-Simple-and-Compound-Machines-Set-is-designed-to-increase-students-understanding-of-simple-machines-and-how-they-make-work-easier-This-is-achieved-by-investigating-exploring-and-experimenting-with-fully-functioning-simple-machine-models-P-P-The-set-makes-16-different-models-one-at-a-time-and-contains-352-parts-sufficient-for-2-to-3-students-It-includes-a-detailed-teacher-s-guide-

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