supply of consumables :- ic 7400 ( quad 2i/p nand ) , ic 7402 ( quad 2i/p nor ) , ic 7404 ( hex not ) , ic 7408 ( quad 2i/p and ) , ic 7411 ( triple 3i/p and ) , ic 7432 ( quad 2i/p or ) , ic 7486 ( quad 2i/p x-or ) , ic 7485 ( 4-bit magnitude comparator ) , ic 7447 ( bcd to 7 segment decoder ) , ic 7474 ( dual d flip-flop ) , ic 7476 ( dual jk flip-flop ) , ic 7493 ( 4-bit binary counter ) , ic 7495 ( 4-bit parallel shit register ) , ic 74194 ( 4-bit bidirectional shit register ) , ic 74153 ( dual 4x1 mux ) , ic 74ls266 ( quad 2i/p x-nor ) , ic 74ls138 ( 3to8 line decoder ) , ic 74148 ( 8 t0 3 line priority encoder ) , ic 74180 ( odd/even parity generator/checker ) , single core breadboard connecting wire copper 22 awg ( >85 metres per role )