I know this will likely be moved and that's alright, just wish to bring attention to this lovely website.
http://www.sciplus.com/index.cfmToys, parts, scientific equipment, gadgetry, home items, pipes, wheels, sprockets, straps, toolbelts, tools, lights, beakers, flasks, test tubes, wiring, circuitry, knobs, casters, tongs, nails, screws, bolts....
It would take too long to list what all this place sells. I remember ages ago when I looked I found even a Tesla coil for sale.
I just figured the people here who make their own stuff would LOVE it as it would be a great place to look for parts and various doodads.