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Mood Sheet
See psychedelic patterns the safe way! Press your hand on this 6" x 6" sheet of liquid crystal and leave a print of swirling colors that, like the mood ring of yore, you can use as a sign of your mood. The pattern will blend and fade in seconds as the crystals react to temperature. Tiny liquid crystals inside the film-like material react to heat by changing colors. As science, it demonstrates the way liquid crystal displays work. And you can cut it into pieces to incorporate into a science project. Or just leave it out for guests to play with when the party turns boring.
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91582 LIQUID CRYSTAL SHEET |
Color-For The Arts & Sciences
Good across the occupational spectrum, from visual artists to physics teachers-this full-service color paddle set comes with red, blue, green, cyan, magenta, and yellow gels; (2) diffraction grating gels-(1) at 13.5 lines/inch, double axis, and (1) 500 lines/mm; (2) polarizing filters; and (1) translucent white diffusing filter with 63% transmission. All gels and filters are 2-1/8" x 2-5/8" in cardboard frames 5-7/8" long, and there's a built-in spectral transmission chart for primary and secondary colors. Made in the USA.
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92683 COLOR PADDLE |
Multi-Colored Innards
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Just like yours! But smaller. And more amphibian. Our 5-1/4" long, life-sized translucent green frog has colorful, anatomically correct organs, which means dissection practice without slimy parts and nasty smells.
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36943 ANATOMY FROG |
The Desktop Disco
Plug that uPod into a pair of micro-tower flashing disco speakers and turn your desktop, bookshelf or kitchen table into a mini-club. Our pair of self-powered speakers have a wall adapter, and are hardwired together on a 2-foot cord. They're 7-3/8" tall x 2-1/2" square, with concave circular mirrors below wavy, sparkly plastic columns with red, blue and green flashing LEDs inside. Includes a power switch plus volume and sensitivity controls for the LEDs. Approx 3W. Compatible with any music source with headphones output. A 3-foot cord attaches to players with a standard 1/8" mini plug.
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39249 DISCO SPEAKERS |
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