
About 40-50 highly polished stones, all shiny, translucent, or brightly colored, ranging from 3/4" long to 1/8" long. Great for mosaics, jewelry, or aquariums.
![]() |
90006 TUMBLED GEMSTONES |
Blue plastic test tube rack, about 8" long x 2-1/2" wide x 3-1/4" tall OA. It has a plate with (6) holes for full test tubes, the end two being 1-1/16" dia the others 3/4" dia. In front of this are (6) pegs to hold clean inverted test tubes. It of course can be used to hold tools, drying pasta or other, non-lab objects.
![]() |
89323 TEST TUBE RACK |
They're plain and white and self-adhesive, fine for all your labeling needs, but with a twist: a little sunlight turns them a lovely marbleized sky blue. And the blue stays when the sun goes away! Note sizes below. #27863 has holes on the edge of the backing, to put it through a printer's tractor feed.
![]() |
27861 BLUE LABEL, 2" X 1" | |
![]() |
28563 BLUE LABEL, 2" X 1-1/2" | |
![]() |
27863 BLUE LABEL, 3" X 2" |
A nice selection of white, self-adhesive labels for a tractor-feed printer, all with permanent adhesive. The medium 3-3/16" x 5-1/16" labels have (4) rows of (2) across on 11-1/4" wide backing, with perforations between every label. Each has a 2-3/4" x 5/8" yellow bar where a return address would be and a 1-1/2" x 7/8" yellow box between the left edge and what would be the address area - if this was an envelope. A package is (10) continuous sheets, for a total of 80 labels. The large 5-7/8" x 7" labels are in a single row on 8" wide backing, with perforations between each one. With (2) to a sheet, a package is (25) continuous sheets. Compared to those flat boxes of labels you pick up at the office supply place, these are great bargains.
![]() |
33012 MEDIUM LABELS |
Neon strip cardboard spectacles with diffraction gratings as the lenses. You can see the regular world, but all light sources and bright objects appear in multiple rainbow hued images. The effect is a little as though the whole world were a giant hologram. Great stocking stuffer or birthday party item for grade school ages.
![]() |
88867 DIFFRACTION GLASSES |
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.
![]() |
91773 OPTICAL ILLUSIONS |
Rock hammer with one square chipping face and one pointy picking face. Steel head and shank, molded rubber grip. Taiwanese. 1 ft. long x 6" across the head 1-1/2 lbs. Well made. Good buy. Good bye!
![]() |
88055 ROCK HAMMER |
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Pop one of these roughly 1-1/4" dia stones into the toe of a sock, smash it with a hammer, and be the first person ever to see your real-as-Nature-makes-it geode!! Ninety percent of them have the familiar beautiful white crystals inside. Formed by volcanic action, they are found all over the world, but ours are from Mexico. There is no way to tell from the outside if they have crystal centers, but we will send you two just to raise your odds, and we haven't had a dud yet in our stores!! Much much more fun and satisfaction than buying one already cracked.
![]() |
88823 GEODES |
This idea is for the birds. Literally. A green/black plastic perch, dish, and dispenser that you can screw onto an inverted plastic pop bottle to convert it into a bird feeder. Obviously, the bottle should have been emptied of pop and filled with seed. One of those "100 things to do with old coat hangers" ideas that really works!! Complete with instructions and bail to hang the completed feeder. Please note: this feeder will not attach properly to the new Coca-Cola low-profile bottles.
![]() |
89308 WILD BIRD FEEDER |
Thinner than a human hair! Smoother than a baby's bottom! More absorbent than an enthralled groupie! Its a microfiber miracle cloth. It really is amazing folks. A 6" square cleaning cloth woven of 90,000 microfibers per sq. inch, each 0.5 mm dia. Super absorbent, it can be used wet or dry to clean the most delicate lens, CD, or for that matter, your car or kitchen counter. "As seen on TV" except this one really lives up to the hype. You need several to clean super clean where it really counts. Like your specs and other coated optics.
![]() |
91497 CLOTH, CLEANING, MICROFIBER |
Holy Gadolinium, Batman, who discovered this Gd element? We're not sure, but he's close to our hearts, since Gd is a magnetic metal of the rare-earth group, and you know how we love rare earth magnets. This excellent 38-1/2" x 26-3/4" poster of the Periodic Table lists the elemental information about Gd and 117 other elements, and includes mini-biographies of (7) scientists. The full-color poster is not laminated, but is a good quality coated paper, and a fascinating addition to any classroom.
![]() |
92005 TABLE OF ELEMENTS |
Click a phrase to shop for products associated with that phrase (AKA "Tag"). More popular tags appear bigger. Learn more »