
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
The Cool Blue Light Experiment Kit uses copper sulfate, perborate and luminol to produce light from the energy released in a chemical reaction. The instructions recommend this kit for experimenters nine years old and up, with adult supervision. Some experiments call for the addition of household chemicals like chlorine bleach, hydrogen peroxide or sugar.
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90154 COOL BLUE LIGHT KIT |
Just what the ecologist ordered to ensure a healthy pond for fish and plants! The "Pond Test Kit" includes pH level test, it will also tell you the pond's Ammonia, Nitrite and Nitrate levels. It provides a broad read on the status of the fish pond and lily pad home. Of course, you can use it as part of a science project, tracking down pollutants and explaining pond ecology!! Simple to use, with full instructions. Kit includes 4 Color Comparators, 40 test capsules (10 each for pH, Nitrite, Nitrate, and Ammonia).
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89437 POND TEST KIT |
The budding home scientist and horticulturist will both delight in the ease with which this self contained soil test kit brings discovery. The kit measures not only ph., but also Nitrogen, Phosphate and Potash content and contains material for 40 tests. Since these are the essential ingredients affecting plant nutrition, we see a science project in the making: experimental plant growth in soils with different amounts of acidity and/or nutrients. From Luster Leaf(tm), the kit is entirely self contained and includes complete instructions for use and explanations. Be careful, please, the kit does have chemicals and should not be used by young children without supervision.
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88690 MULTI SOIL TEST KIT |
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Budding lapidarians will lap up this rock polishing kit which is so complete it even contains some rocks. The polishing tumbler has a (3) lb. ((1) qt.) fifteen sided rubber barrel and is driven by a 115 VAC motor. Overall dimensions are 6" x 6" x 7-1/2" high. In addition to the tumbler, the kit includes an assortment of jewelry findings and a detailed manual giving you easy to follow instructions. But don't think of it only as useful for jewelry making. As a hobby, our Uncle George for many years collected and polished a wide variety of rocks which he found interesting and made beautiful in and of themselves.
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89758 REPLACEM'T ABRASIVES | |
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80276 ROCK POLISHING KIT |
So why do you want this 7-piece watch battery replacement kit? Because it's economical and will pay for itself in short order? Because you're so self-sufficient you would have removed your own appendix if only the E-R physician hadn't been so territorial? Maybe just because you want to poke around inside a clockwork? Whatever the reason, you'll like the jeweler's Phillips screwdriver and knife, the spanner wrench, prying tool, dust brush and soft-plastic and needlepoint metal tweezers. They're in separate pockets in a plastic carrying case that can be rolled for storage or hung by its grommets. We know you'll like this kit, 'cuz we know what makes our customers tick.
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91898 WATCH BATTERY KIT |
Mini-clips (aka alligator clips) let you make your own low-voltage jumper leads, or repair broken leads on test equipment and chargers. The kit includes (2) 30 amp clips, (2) 25 amp clips, (2) 10 amp clips, (6) 2" clips and (6) 1-1/2" clips, all of which are insulated, plus (10) naked alligator clips.
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92074 CLIP KIT |
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
More exciting than an ant colony! Prettier than tadpoles and frogs. The principle of this kit is the same as both. Buy the kit which consists of a growing/viewing chamber, food, and instructions. Send in the coupon (plus a small shipping charge) and receive (5) larvae and their food. In about (10) days the larvae will turn to chrysids and in another (7-10) days your beautifully marked butterflies will emerge from the chrysids. Truly entrancing and educational with extensive well written instructions/explanations of the phenomena you are observing. Highly recommended.
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88562 BUTTERFLY GARDEN |
This sturdy steel punch for leather goods has a coiled-steel spring, and (6) screw-in punches. Make 2, 2.5, 3, 3.5, 4 and 5mm holes, even in heavy leather. 8-1/2" long OA.
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92453 6 PIECE LEATHER PUNCH |
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
And teach a kid (8 and up) the basics of solar power. This excellent educational kit from Elenco comes with (9) 0.5VDC solar cells pre-wired in sets of (3) and mounted in a 5" x 4" x 7/16" black-plastic frame with screw terminals on the bottom. The kit includes a 1.5VDC motor with leads and a mount, a fan blade and (4) plastic discs from 5/8" dia to 2" dia for mounting on the motor shaft, a 1.5V incandescent bulb with leads, a sound module with leads, and graphic cards to mount on the discs. Comes with a 14-page instruction/experiment booklet, including info on increasing voltage and amperage, powering battery charges, radios, games, etc. Lots of science project potential. "Heuristic as all get-out," Jarvis said when he saw it.
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92923 SOLAR KIT |
Let the rest of the world outfit its armies with rockets and tanks. We prefer Switzerland, with its Swiss Army Knife and, now, its Swiss Army Horseshoe Nails. Our each is a box of (100) shiny, flat, steel nails with square beveled heads, each head imprinted with a tiny cross. These #6 nails are 2-1/8" long. Even the box is a retro find. Such sticklers for details, these pacifistic Swiss.
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36995 #6 HORSESHOE NAILS |
You supply the pot, we'll supply a dozen Venus Fly Trap seeds and a little sack of soil in a 4-3/8" x 2" dia plastic growing tube, plus an instruction sheet on the care and feeding of everyone's favorite meat-eating foliage. Gestation is about (14) weeks, so order early if you're planning a birthday surprise for someone.
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93010 VENUS FLY TRAP |
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