"WardsSci100002"

Precisely centered aluminum pulleys.

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.

This wooden machine has a sturdy wooden construction ideal for classroom use. This apparatus can demonstrate how gears can turn rotational motion into translational motion.

This wooden machine easily demonstrates how rotational motion can be converted into the linear motion.

Investigate the power of simple machines.

This wooden machine has a sturdy wooden construction ideal for classroom use.

This wooden machine has a sturdy wooden construction ideal for classroom use.

This wooden pendulum has a strong and sturdy construction ideal for classroom use.

Investigate the basic simple machines with this inclusive kit.

The simple Atwood Pulley Machine features two pulleys connected to a sturdy rod.