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Test the bolt or screwdriver for magnetizability with an ordinary kitchen magnet.Magnets from several world country. Ideal for tourists theme. image by Konovalov Pavel from Fotolia.com
Test a large bolt or screwdriver for magnetizability by seeing if a magnet will stick to it. A simple kitchen magnet will suffice. If it won't stick you'll have to find another bolt or screwdriver. - 2
Coiling wire doubles up its magnetic field.macro electronics image by Tony Durose from Fotolia.com
Wrap the bolt or screwdriver with a couple feet of insulated copper wire. Confine the coils to the metal part of the screwdriver. Overlapping the coils is okay. Leave the two ends of the wire exposed. - 3
The copper wire must be insulated, except at the ends where it contacts the battery.speaker wire image by Paolo from Fotolia.com
Scrape the insulation off the two ends. - 4
Use a 9-volt battery instead of a 1.5-volt battery for a stronger magnet.nine volt battery image by JoLin from Fotolia.com
Connect the bare wire ends to the two terminals of a 9-volt battery. Don't let the bare ends contact each other. Hold them in place with electrical tape. - 5
The 9-volt battery should provide enough magnetism to lift paper clips.clips image by abarro from Fotolia.com
Test that the coils and screwdriver (bolt) are now an electromagnet by seeing if the end of the screwdriver (bolt) can pick up small metallic objects, such as paper clips.
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