Muppet Learning Keys is an expanded membrane keyboard for early personal computers. The keyboard's 83 keys are covered with color cartoons of Jim Henson's Muppets characters illustrating the various functions of the keys. Muppet Learning Keys is not equivalent to a standard computer keyboard but must be used with some program that defines a meaning for each key or group of keys. The program provided with the keyboard uses color animated graphics and music to teach letters, numbers, and colors. Some other programs available which use the Muppet Keys are the PEAL Series (PEAL Software) and the Muppet Slate (Sunburst Communications). For use on Apple II, Commodore 64, and IBM PC jr computers.