Picture This! Picture Switcher is a cause and effect training program designed for use by children with cognitive, visual, perceptual, and upper extremity disabilities. This program gives children using a single switch grid-style access to the activities of Knockout and Reveal and Flip It and Slider (see separate entries). The package includes a wide range of activities. COMPATIBILITY: For use on IBM and compatible computers. SYSTEM REQUIREMENTS: Pentium or better processor, CD-ROM drive, and Windows 95.