KELVIN© Plug-In Board, Analog B - 555 Timers   Stock #: 840650 Price: $99.95 Quantity: Quantity in Basket: none BUY IN BULK! Quantity: 3-99999 Price Each: $94.95 SAVE MONEY! Covers circuits and 555 timers. 2 individual boards and circuitry. For use with the KELVIN© Basic 3 Trainer.

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