A cap-covered keyboard apparatus is disclosed. The proposed cap-covered keyboard apparatus includes plural independent keycaps, each of which has a main body with a top surface, and plural cover layers, each of which at least covers the respective top surface of the corresponding main body, and has a first surface attached to the top surface and a second surface printed with a character (or symbol), wherein the plural cover layers are independent from one another.

Three-dimensional light switch indicators and methods for making and using the indicators.