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Gyroscope
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
2" flywheel in well made metal frame. The trick is the same as it has been for 100 years. Wind the string through the spindle, pull it firmly to set the flywheel spinning, and perform effortless balancing magic on pencil tips, string tightropes, and the like. We tend to forget that bicycles and aircraft navigation both rely heavily on gyroscopic principles. It's never too early to tell the kids. Besides, it's fun.
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3804 METAL GYROSCOPE |
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Smithsonian Flashers
We have a huge pile of flash cards bearing the Smithsonian imprimatur. Topics vary from birds to Australia, Halloween to dinosaurs, the Civil War to planets. Even cats, safaris and science are addressed. Each card is 2-1/2" x 3-1/2" with a full color photo on one side and a paragraph of information on the back. They're pre-packed in (8's) and well give you (8) packs for a total of (64) miscellaneous cards of our choice.
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30494 ASS'T FLASH CARDS |
Tornado Tube
Simple, yet clever 1" dia. by 3" long plastic device to demonstrate the vortex effect of a tornado. Partially fill with water one of the two half-gallon size plastic soda bottles which you supply. Screw the bottles into opposite ends of the tube which we supply. Tip so the full bottle is on top and give it a circular starting whirl. Presto! You have a vortex. Call it a tornado if you're a meteorologist, a Charybdis if you're a classicist, or a whirlpool if you're into oceanography. Lots of fun and a fine opportunity to attempt to explain the effects of the earth's rotation on water draining out of a bathtub. The phenomena are related we're told, but good luck!!
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6667 TORNADO TUBE |
Simple Circuit
An easy way to light up the kids' eyes! Teach them to wire a simple circuit with our basic components. The knife switch is mounted on a 1-1/2"x3" black-plastic base. The miniature plastic socket holds a standard flashlight bulb with a 14 mm dia screw base. We pack 6 volt and 3 volt round bulbs, or 1.5 volt bell-shaped bulbs, (5) to a package.(Bulbs are rated slightly higher to prevent them from burning out.) Or hook up the black plastic and metal 2" x 4-1/2" telegraph key with brass contacts and (2) terminal posts with nuts. Our blue-plastic holder for (1) "D" battery has a small tab at each end to hook a lead to, and a 1/8" square mounting hole at each corner. You add the mounting surface and the know-how. Actual bulb voltage listed in parenthesis.
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91160 1.5 VOLT BULBS (2.5 V) | |
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91159 3 VOLT BULBS (3.8V) | |
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91158 6 VOLT BULBS (6.3V) | |
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91769 BATTERY HOLDER | |
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38805 KNIFE SWITCH |
$2.25
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38811 SOCKET | |
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91813 TELEGRAPH KEY |
A Spoonful Of Sugar
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Two educational Science Kits that kids will love! Fun projects. Great boxes. Instructive instructions! Secret Codes teaches cryptography with invisible ink markers, decoder wheels, spy manuals and more. Fingerprint Files includes the history of fingerprints, and all you'll need to take them, using actual police and FBI methods, and dust surfaces for matching prints. Very nice as small gifts, or for home schooling. Both are for ages 8 and up.
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91776 FINGERPRINT FILES | |
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91775 SECRET CODES |
$4.95
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Mirage Maker
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Absolutely incredible device! The Mirage®, a precision optical instrument, creates three-dimensional images of objects of your choice where there is nothing. Drop pennies, keys or similar small objects (your sister won't fit) into the 2-3/8" dia opening of this 9" dia x 3" high flying-saucer-shaped disc, and a perfect image of the object will appear floating above it. The image is so real friends will try to grasp it, but their fingers will close on thin air! Use it as a high-tech centerpiece with a flower as the object! A booklet (included) explains the magic. New coating provides protection for the mirror surfaces. Highly recommended. Made in the USA.
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88375 MIRAGE |
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Brain Benders
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
A box of illusions: make big objects look small, and small objects look big; change black and white into color; turn drawings into old-style movies - just for starters. You get a motorized zoetrope/spinner with discs and strips, and a really amazing "altered perspective chamber," along with directions for a dozen optical activities. It's really mind-bending - but don't forget to buy (2) "AA" batteries for the zoetrope. Spinning it by hand just doesn't work as well! For ages 8 to adult.
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91773 OPTICAL ILLUSIONS |
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Super Balloons
WARNING: CHOKING HAZARD-Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once.
Bright and bouncy, these thick colorful balloons inflate to a super 30" dia! Great for homemade weather balloons, giant whoopee cushions, fun in the pool, or just kicking around the yard. Need strong lungs to inflate, so these aren't for smokers; swallowable, so they're not for kiddies under 8 either. Assorted colors.
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91130 SUPER BALLOON |
Moving Sand Art
Black and white sand in a viscous colored fluid. The sand and fluid are between 5-1/2" wide x 3-1/2" high panes of glass, framed on a gimbaled stand. Flip the panel and watch the sand swirl and eddy into endlessly new pictures of dunes, drifts, mountains or moonscapes, depending on your imagination and the pattern they form. The mix of black and white creates a definite third dimension to the images. Pretty neat, as these things go.
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88881 MOVING SAND PICTURE |
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Optic One
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
A "One gizmo does all" marvel. It really works as a binocular, magnifier/linen tester, and has a signaling mirror, and compass all in a roughly 1-1/2" sq x 3-3/4" long package. The bino eyepieces and objectives fold against the body with the objectives doubling as magnifiers when used alone. The signaling mirror makes a good examining table for bugs and seeds etc and is conveniently located under one of the lenses. It should make a good "going off to camp" gift!
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91380 OPTIC ONE |
Box O' Bones
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Glow-in-the-dark plastic skeleton, about 1 ft. tall. That is the end result. What you get is a box of bones that you snap together to create the final product. Which is kind of fun. Or of course you can leave some or all of them disassembled to create a sense of havoc. We're not going to claim it is anatomically correct, or educational. But you do need to figure out that feet don't grow from shoulders and thigh bones do not connect to jaw bones. Maybe 5 minutes of fun!! And the finished product is one of our better little Halloween guys.
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89425 BOX O' BONES |
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