Check the listing for details. Eisco Labs Demonstration Motor Generator Activity Model (AC/DC) - Hand Powered. Condition: New. Listed at 73.99 USD. Eisco Labs Demonstration Motor Generator Activity Model (AC/DC) - Hand Powered Learn about current and see a visual demonstrationThe elegant design produces AC & DC current on the same device -- switchable between AC/DCAllows students to easily compare and contrast an AC generator and a DC generatorActivity guide includedBase is approximately 7" x 10" EISCO Demonstration Motor Generator Activity Model (AC/DC) - Hand Powered (1) Demonstration Generator This apparatus allows students to easily compare and contrast an AC generator and a DC generator. The front of the apparatus has brushes designed to collect direct current (DC) through a split ring and the back of the apparatus has brushes designed to collect alternating current (AC). Users of the fantastic device are interested in 1 of 2 things: 1. Learning about AC vs DC current and seeing a visual demonstration. 2. They are sick of going through batteries or finding wall outlets to product electricity for their experiments. This generator can of the electromagnet motor. This makes it great for experiments that need low current Product Details Brand Eisco Product Type MPN PH1245N8 Check out my other items.