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For your STEM curriculum.

• 178 K’NEX pieces
• Builds 8 replicas of real-world machines, one model at a time
• Supports 2-3 students working as a team
• For 3rd-5th grade classrooms
• Models demonstrate three lever classes and fixed, movable, and combination pulley systems
• Packaged in a strong, stackable storage tray and snap-on lid
• Curriculum Guide on CD.