Different Types of Keyboard Kits: From Basic to Advanced. Offers keyboard do have ranged from, components for an assembling to programmable for more advanced features.
A kit forms the base of your keyboard: it contains the printed circuit boards and a few default components. Usually you'd need to complete your kit by adding controllers, switches, keycaps and a cable or two: what's needed beyond the kit will be written on the kit's product page.

Corne Keyboard Kit - DIY Keyboards.

Custom Keyboard Kits contain most of the components needed to build a full, mechanical keyboard excluding the switches and keycaps.
