The versatility of the computer can be expanded considerably for young handicapped children by using input devices other than the typewriter-style keyboard. Input devices appropriate for young children can be classified into four categories: alternative keyboards, contact switches, speech input devices, and cursor control devices. Described are input devices meeting the following criteria: can be used with the Apple computer, can support software appropriate for young handicapped children, have been used successfully in a computer laboratory situation with young children, fit into an acceptable price range for educational settings, have good user support from developers or distributors, are readily available, and are easily installed. Popular input devices discussed include"Muppet Learning Keys,""Power Pad,""Adaptive Firmware Card,""TouchWindo,""Voice Master,""Multi-Switch Adapter Box," and switches such as the ones from Prentke Romich Co. and Zygo Industries, Inc. (Author/JDD)