Grades 3 & up. The Simple Machines Classroom Pack contains a total of 6 units: 2 Levers & Pulleys, 2 Wheels, Axles & Inclined Planes, and 2 Gears. Each pack includes a comprehensive, standards-aligned Teacher's Guide and enough pieces for 12-18 students.
Grades 2 & up. From magnets to measurement, you'll be ready for endless experiment possibilities with this Elementary Science Classroom Starter Set. Includes over 170 accessories that store in a convenient three-drawer cart with wheels.