computer software for video games pre-recorded on read-only memory; video game cartridges, video game computer disks, non-coin-operated video games and parts therefore; printed circuit boards and kits comprising primarily of screws, bolts, nuts, washers, nuts/washer assmblies, labels, attraction shields, control panel covers, decals, films, monitor bezels, instruction ferrite spilt beads, switches, wire and cable ties, button assemblies, stand-offs, joystick assemblies, wire assemblies, printed circuit boards, printed circuit board assemblies, control panel, templates, boxes, bags, tapes, and trays, for conversion of coin-operated video game consoles from one game to another, and circuit boards and electronic hardware