"SI Manufacturing"

Demonstrate magnetic fields on your desk or overhead with this clear container of iron fillings. Using magnets, you can show students how the fillings move and cluster together.

Complete electricity kit in a convenient storage case.

This package of plastic pulleys contains 25 each of 20, 30 and 40 mm diameter pulleys with 3.2 mm bores and one 10 mm pulley with a push fit to a 2 mm motor shaft.

Versatile teaching kit contains enough materials for the whole classroom to learn about and experiment with a variety of pulley configurations. Because these activities are hands-on, students get a real feel for the forces at work.

Hands-On Investigation of Genetic Inheritance

Four gears of different sizes, perfect for any investigation or maker project.

Observe the sky and identify various cloud types with this simple device.