K'NEX Intro to Simple Machines - Levers and Pulleys 78610 Happy Puzzle Company Rainbow-effect hand-spun metal base and

Rainbow-effect hand-spun metal base and cap add a stylish retro vibe

It helps toddlers build confidence

perfect for experienced board gamers 🚀

goal board

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

K'NEX Intro to Simple Machines - Levers and Pulleys 78610 Happy Puzzle Company Rainbow-effect hand-spun metal base andK'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