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This website contains a few simple circuits that you can make. You do not have to use a soldering iron. You can burn yourself. Also solder contains lead which is harmful for you. I suggest that you make those circuits on matrix board, twisting the wires together. You use wire wrap sockets, wire wrap wire and wire wrap tool to connect integrated circuits.
The *.sch files are for PSpice software that is available online.
Thanks,
Michael Amplayo