K'nex Education Intro to Simple Machines Levers & Pulleys Set Microsoft Surface Accessories Horn pieces require assembly

Horn pieces require assembly

so you can enjoy a restful night’s sleep with family and friends

you’ll love your new colour changing night light

Limited availability

and once you have made your slush

K'nex Education Intro to Simple Machines Levers & Pulleys Set Microsoft Surface Accessories Horn pieces require assemblyIncludes 178 colourful parts to make eight different replicas of real world simple machines Accommodates 2 3 students working as a team and appropriate for elementary classrooms in grades 3 through 5 STEM Concepts: making work easier, mechanical advantage, effort arm, fulcrum, lever classes, pulley systems and more Packaged in a reusable plastic storage tray with a snap on lid for quick clean up and easy storage Building with K'NEX puts children on a