Eisco® Student Coin and Feather Tube

The Student Coin and Feather Tube shows the two items in a vacuum, falling at the same rate.

A transparent plastic tube, 90 cm long and 4.5 cm in diameter, features rubber end caps.

One end has a hose and hose cock that hooks up to any standard vacuum pump to remove air from the tube.

This kit includes a feather and disk. A vacuum pump is required but not provided.

Caution:This product has small parts. It is not for children under three years. CHOKING HAZARD.