K'NEX Intro to Simple Machines - Levers and Pulleys 78610 Happy Puzzle Company Build a mechanical hand using

Build a mechanical hand using over 200 pieces powered by water—no motors or batteries needed

It helps toddlers build confidence

perfect for experienced board gamers 🚀

supporting early sensory and motor skill development

K'NEX Intro to Simple Machines - Levers and Pulleys 78610 Happy Puzzle Company Build a mechanical hand usingK'NEX Intro to Simple Machines Levers and Pulleys Hands on STEM kit exploring how levers and pulleys work through 8 real world models Includes 178 classic K'NEX parts: rods, connectors, pulleys, and string Builds essential engineering and physics skills through interactive play Supports teamwork and problem solving in classrooms or at home Comes with full color instruction manual and teachers guide Designed for collaborative learning with up to 23