Learning Resources Simple Machines, Stem, Early Engineering Toy Set Of 5Product DescriptionInspire future engineers by exploring effort, force, load, motion, and distance with simple machines. Students use fine motor skills to construct and examine simple machines and develop a deeper understanding of how they work while flexing the mental muscles needed for STEM careers. Build 5 machines at once. 63 pieces. Budding engineers discover how machines make work easier. Features enough sturdy plastic pieces to build all 5