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Full of Hot Air?

It will be when you inflate it with a hair dryer or heat gun. Here's a great big (8-foot x 6-foot when inflated) hot air balloon, of lightweight vinyl in colorful stripes just like the full-sized ones, but with a spool of nylon monofilament so you can tether it and fly it again tomorrow instead of chasing it down the block. Cool use for hot air! Adult supervision required.

on sale 92906 HOT AIR BALLOON
$17.95 EACH (was $19.95)

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Our Flask Inventory Boileth Over

So we're pricing these borosilicate boiling flasks to move quickly. We've got (3) sizes, all with slightly flattened bottoms, each with a single, discreet, capacity mark in white. While the actual physical size can vary slightly, the volume remains the same. The 1000ml flask is 9-5/8" tall OA x 5-5/8" dia with a 1-5/16" ID mouth, and a lip. Takes a #7 rubber stopper. The 500ml flask is 6-7/8" tall OA x 4-1/8" dia with a 1-3/16" ID mouth, and a lip. Takes a #6-1/2 rubber stopper, but a #7 will work. The 250ml flask is 6-1/8" tall OA x 3-3/8" dia with a 1-1/32" ID mouth, and a lip. Takes a #5-1/2 rubber stopper, but a #6 will do the job.

92914 1000 ML FLASK
$10.95 EACH
92912 250 ML FLASK
$5.95 EACH
92913 500 ML FLASK
$6.95 EACH
 

Care To Mix It Up?

Our magnetic mixer is made for use in a laboratory, but could also be handy if you like your martinis stirred, not shaken, and your arm is tired after a long day at the lab. The unit is 4-3/4" square x 1-7/8" thick (you top it with the appropriate beaker), and stir speed is adjustable from 100 to 1,000 rpm. Capacity is 1 liter and the stir bar is included with the unit. The 4-1/2 ft power cord plugs into a standard wall outlet. Made by Hanna Instruments.

92998 MAGNETIC STIRRER
$93.95 EACH

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Lightning On Your Belt

Brought to you by our portable plasma device. The 2-3/4" dia flat disc has a full-on mode or will pulsate to the beat of the music with red, blue and green lightning streaks, but the sensitive sound sensor also produces great results when you talk near it. The disc sits on a 2-1/4" x 1-3/4" x 5/8" thick case with a belt clip, or could be hung on a neck lanyard. (The lightning will also follow your fingertip if you touch it!) Call it a disco-must (the darker the room the better) or just wear it any time you feel like pulsating. What powers this bad boy? The (2) "AAA" batteries that you provide.

93048 POCKET PLASMA
$19.95 EACH

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Physics Starter Kit

Start those tyro physicists out right with this very nice little demo kit. Includes a 2-3/4" dia x 3-3/4" tall gyroscope, a 2-1/4" long acrylic trapezoidal prism, and (3) 1-1/4" dia x 1/4" thick doughnut magnets with a stand for floating-magnet experiments. Also includes a good beginners' experiment pamphlet.

93068 DISCOVERY PAK
$13.95 EACH

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Dashboard Silliness

From Iconz" toys come these 1-3/4" tall rubber sculptures that fit interchangeably in little 1-3/8" dia, self-adhesive rubber bases suitable for mounting on your dashboard, or pretty much any other smooth surface. We'll randomly pick (2), with mounts, from among a smiling devil, alien, or tiki head; sitting Buddha; a cow or human skull; a (whole) poison frog; or, and we don't quite get this either, a pinwheel. Which will you get? Only (1) way to find out, but you know you can trust us.

on sale 37121 DASHBOARD® ICONZ
$3.00 PKG(2) (was $3.95)

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Lighted Loupe

For when you need things big and bright. The acrylic-lensed eye loupe has an adjustable white LED attached to the side, powered by a button cell battery that's included and replaceable. The lens is just under 7/8" dia on a 1" long loupe with a 1-1/4" eye port. The package says 10X, but it looks more like 5X to us, which is still good for a loupe. The battery life for the light is approx 22 hours.

on sale 92982 LED EYE LOUPE
$3.50 EACH (was $3.95)

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Up Close, And Up Closer

Forget watchmaking, you could write the "A Tale of Two Cities" on a piece of tortellini with this triple magnifier visor. Magnifies from 2.2X to 8X. Has a permanent 2.2X lens, a flip-down lens, and a flip-down loupe. Separate white LEDs at each temple, powered by (2) "AAA"s each which aren't included. The whole thing is in a black plastic visor, 7-3/4" wide x 5-1/4" deep with a flexible plastic strap held by a hook-and-loop closure. Opens to 9" max dia and has coated acrylic lenses. Now then: It was the best of times, it was the worst of times….

on sale 92983 BINO MAGNIFIER
$7.95 EACH (was $9.95)
 

Otto's Oughta Run An Auto

Build your own working four-stroke engine! In this simplified, battery-driven version of Nikolaus Otto's 1867 four-stroke engine, the pistons and crankshaft move, the fan blade spins, and the spark plugs light up to simulate timing. This Smithsonian kit, with over (100) plastic pieces, includes a small DC motor to run the engine, and an excellent 40pp instruction manual. You provide (2) "AA" batteries and an interested person eight years of age or older.

93072 MOTOR WORKS
$33.95 EACH

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Soft Jaws

Stop wrapping duct tape around your vise, and protect delicate material the right way with this pair of hard-rubber, ribbed pads made to cover the jaws. The pads are mounted on aluminum brackets with magnets imbedded along their whole length. Made for a 4" vice, they measure 3-7/8" long x 1-1/8" high x 3/8" thick with a lip along one long side. The rubber is 3/32" thick.

on sale 37275 VISE PADS
$10.95 EACH (was $12.50)

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Unplug Preventer

Clever little 14" length of 18-3 AWG line cord with a male plug and a 5" x 9/16" removable "cord-lock" which lets you hook a tool or appliance to an extension cord, tighten the threaded barrel, and obviate accidental unpluggedness.

37431 LINE CORD W/LOCK
$2.95 PKG(3)

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