Switch Games for Preschoolers is a control switch training program designed for use by young children with uppper extremity or multiple disabilities. Games include Frog & Fly, Switch Kids, and Match 1, 2, & 3. These games aid in the development of such basic switch skills as cause and effect and press and hold, as well as more advanced skills such as linear scanning and two switch step scanning. COMPATIBILITY: The hybrid CD-ROM offers versions for use on Macintosh and IBM and compatible computers. SYSTEM REQUIREMENTS: The Macintosh version requires a 68040 processor or a Power PC, a CD-ROM drive, and 8 to 16 megabytes (MB) RAM. The IBM version requires Windows 95/98, 32 MB RAM, CD-ROM drive, SVGA monitor, monitor resolution of 600 x 800, sound card, and speakers.