This PEM fuel cell demonstration and experiment kit contains an acrylic fuel cell with dual carbon electrodes. A fan is mounted on top of an acrylic platform with dual brass ports to accept the carbon electrodes. Students will gain an understanding and appreciation of the basic construction and operation of a PEM Hydrogen fuel cell. Kit comes complete with alligator clip connecting wires and a 100mg vial of Potassium Sulfate. Requires 3 - 9 V DC Power supply (not included).