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Pond Test Kits
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.
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89437 POND TEST KIT |
Multi-Colored Innards
WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 yrs.
Just like yours! The internal organs on our 7-1/2" tall transparent human are in bright solid colors. You'll thrill to the lovely green lungs (not like yours, we hope), plus a brain, heart, liver and digestive tract in assorted hues. The 5-1/4" long, life-sized translucent green frog has equally colorful, anatomically correct organs, which means dissection practice without slimy parts and nasty smells.
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36943 ANATOMY FROG |
Catch Some Rays
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 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 |
Wanna Smash Stuff?
And launch or crash a bunch of other stuff? Get this 80pp hardcover book of 42 simple science experiments that demonstrate basic scientific principles, while providing a fair amount of kid-pleasing destruction along the way -- all with common household materials. By Rain Newcomb and Bobby Mercer; in full color with illustrations, from Lark Books. Ages 9 and up.
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93145 "SMASH IT..." |
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