Fiber Optic Color Changing lamp has a shiny gem-filled base with bright LEDs! This has been switch adapted to accept a standard switch (sold separately). Colors illuminate and change when your switch is depressed and stop when the switch is released. Great for cause-effect, visual stimulation and tactile/sensory stimulation. Perfect to teach colors and encourage language skills. Uses three AAA batteries (not included). Measures 13 7/8" x 15" (incl. base); base 3 3/8" x 3 1/8" and weighs approximately 1 lb.