
STEM MECHANICS: Levers, Linkages & Structures by United Scientific is an Engino® construction kit for teaching levers, linkages and the forces acting on structures. Students build 16 working models, including a seesaw, a wheelbarrow, a pantograph and a double deck bridge, using a booklet with step-by-step instructions, theory, experiments and a quiz, plus an online building guide. Teachers use it in physics, engineering and technology classes.