
It's small, it's handy, and it's very cleverly designed. This extremely lightweight Journey's Edge" booklight is 4-3/4" long x 1-3/8" wide x 5/8" thick, with a metal 2-1/8" long book clip on the back. Push the "open" button and a 3-position articulated arm with a white LED on the end pops out. Powered by (3) button cell batteries (included). Shuts off automatically when folded closed.
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36947 LED BOOKLIGHT |
Newton would have killed for this, but you can have it in your classroom for a song. Our high-quality composition-of-light unit is designed to demonstrate the nature of light wavelengths. A trio of tubes with red, green and blue LEDs inside have converging lenses, in turn mounted in swiveling holders. Sturdy, heavy-duty plastic construction through-out. It's powered by an included 4 "D" cell battery pack (Batteries, not included.). Has individual switches and brightness controls for each color, plus a 6-1/2" x 7-1/2" mounted white screen for display, plus a handy instruction sheet.
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93487 RED, GREEN AND BLUE LED LIGHT DEMONSTRATOR |
Nothing says boogie wagon like a blue light that plugs into the cigarette lighter and pulses to the beat of your music. This 6-3/4" long tube is a cold cathode fluorescent (looks like neon but is much tougher and draws less juice) with a 42" lead to an audio sensor and control box and a 58" lead to the tube itself. Has a steady-state setting if you get tired of boogying. Self-adhesive pads on the light and control box.
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40417 AUTO BOOGIE LIGHT |
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