Diode Unit Silicon
Diode Unit Silicon: mounted on base, with 4mm colour coded sockets, with circuit diagram printed for demonstration.
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Government & Tender Supply
Mini Motor Unit: A small motor, which operates from 1.5 to 4.5 volts D.C. with small pulley.
Mini Motor Unit :-A small motor, which operates from 1.5 to 4.5 volts D.C. with small pulley.