Intro to Simple Machines: GearsK'NEX Education Intro to Simple Machines: Gears Set 198 Pieces Grades 3 5 Engineering Education Toy Build seven fully functioning replicas of real world machines, one at a time Introduce students to scientific concepts related to gears through hands on learning Includes 198 K'NEX parts and pieces packaged in a convenient storage bin Designed for grades 3 5; includes building instructions and comprehensive Teacher's Guide Aligned to STEM (science,
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