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Magnetic Marbles
WARNING: CHOKING HAZARD-This toy is or contains a marble. Not for children under 3 yrs.
They are 5/8" inch diameter spheres with a weak but workable magnetism. They come in a nice range of mixed colors in packages of (20). Not terribly strong, but they do cling together to make wonderful and unlikely chains and stacks and stalactites and things. They look like the gumballs of our youth, and will fascinate youngsters without the corollary risk of cavities!!
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6386 MAGNETIC MARBLES |
Perpetual Motion
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Spin this spindle and watch it turn in perpetuity!! Well, for a long time anyway. Inside the 5-1/2" long colored plastic spindle are magnets which are repelled by magnets in the 5" x 3" black plastic base. The variously colored spindle floats in the air above the base thus virtually free of normal friction. It also has red lights to light up its way as it spins, giving it almost a strobing effect. Nifty desk toy named "Revolution".
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91664 LIGHTED REVOLUTION |
Puff the Magic AirZooka
Mega-cool toy air cannon. Birthdays will never be the same! The instructions on the AirZooka" say it blasts a gust (ball?) of air up to 20 feet but we blew out a candle at 30 feet, and it only took us three tries. (And you can hear the near-misses as they blow past--which is the mega-cool part.) Plastic, 11" dia x 10 1/2" deep, like a bucket with a pistol grip and a fold-down sight. The (3) segments unscrew and collapse for storage between birthdays. We'll pick fluorescent blue, green, magenta or orange, and you'll need two if you want to have air wars.
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92620 AIR CANNON |
One-Way Wizard Stone
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Amuse and amaze your friends with this 3-3/4" long x 3/4" wide lozenge of glow-in-the-dark acrylic (so it's not a stone; so sue us) that will only spin counter-clockwise. Try it the other way and it wobbles to a stop and reverses itself. How does it do that? Go ask a wizard. And be careful around toddlers; it's swallowable.
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88910 WIZARD STONE |
Doodle In 3-D
Think of it as a shortcut to learning perspective. This clever 50-sheet pad of white, 7" x 4-1/2" paper has a fine red and blue grid pattern that shows your drawing and doodling in 3-D when you wear the included 3-D glasses. It's our candidate for the why-didn't-I-think-of-that award this year.
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93371 3-D PAD |
Double Convexity
This very nice clear glass lens is large, 3-9/16" dia, and DCX (double convex) with a magnification of approx 2X and a focal length of approx 10". Quite pleasing just to have on a desktop, but a good item for physics classrooms or folks who want to make their own Sherlockian magnifying glass.
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38820 BIG LENS |
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Page-Sized Fresnel Lens
Magnify the whole page and see all that nasty fine print at one time. Our hard acrylic fresnel sheet is 8-3/8" x 11" x 1/16" thick with a focal length of approx 10". Magnifies to about 3X. Solar experiments, too!
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38939 FRESNEL SHEET |
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Big Multi-Use Lens
This aspheric glass lens is 62mm (2.44") dia with a focal length of 42mm. Apart from your standard lens-ish optics applications, we think it also lens itself to use as an entertaining desktop spin toy, and we figure it would make a dandy bulls-eye in a leaded glass window.
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69151 62MM LENS |
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