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Crystal Clay
$4.95
Crystal Clay - Single Tube. -- Discover the hidden world of roots with super-expanding crystal clear Crystal Caly Soil Gel. Just add water and watch as the small "salt"-like crystals swell to 100 times their size. -- Children will love this fun nature kit which comes with seeds to grow a Jack-Be-Nimble Miniature Pumpkin, Heavenly Blue Morning Glory, and Mammoth Sunflower. Simply pour water into the tube, then add seeds to the gel. Seeds should start to germinate in 2-3 days. Because Crystal Clay is transparent children will be able to observe root growth. -- Kit comes with tube, packet of gel, packet of seeds, paper tube stand with plant growth life-cycle, and instruction sheet.
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Crystal Clay
from Edmund Scientific's
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Economy 4 LBS. Rock Tumbler
$139.95
-+ Capacity: 4 lbs. / 0.05 cubic feet -- -+ Bowl Diameter: 8" -- -+ Vibrations Per Minute: 4000 -- -+ Overall Dimensions: 11.5" -+ Dia. x 8" H -- -+ Weight: 7 lbs. -- -+ Electrical: 115V / 0.75 amps -- Our vibratory tumblers are ideal for wide variety of finishing operations such as deburring, descaling, polishing and sharp edge removal. Useful for metals and rocks. -- Features removable poltethylene bowls with lid and ball bearing drive motors, 110V AC, ground plug. -- Grit and jewelry making pieces sold separately.
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Economy 4 LBS. Rock Tumbler
from Edmund Scientific's
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Find-a-Mineral Lab Activity
$19.95
A geological dig that fits on a desktop! -- Become a geoscience detective and uncover clues hidden in specially prepared gravel! -- This activity is a challenging introduction to the techniques of mineral identification. You can find numerous small chips of twelve common minerals in a natural gravel, then observe and test their physical properties. Three common rock samples are also included to illustrate how small mineral grains are found as constituents of various rock types. -- Each set comes with a one-pound bag of concentrated mineral gravel, streak plate, magnet, magnifier, sorting tray, forceps, rock samples, a teacher's guide, and student copy-master, all contained in a convenient storage box. Average chip size: 3/8"-1/2". -- For extra added value, don't forget about our "Find-a-" Series 4-pack! Included are the Find-a-Mineral Lab Activity Find-a-Rock Lab Activity, Find-a-Fossil Lab Activity, and Find-a-Fluorescent Mineral Lab Activity. Buy all 4 kits and save!
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Find-a-Mineral Lab Activity
from Edmund Scientific's
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Find-a-Rock Lab Activity
$19.95
A hands-on lesson in rock identification. -- Students will use their observation skills, knowledge of compositional features, and other clues provided to identify rock chips in a natural gravel. -- The chips are representative of twelve common rock types from the igneous, sedimentary, and metamorphic groups. Three larger rock samples, one from each group, are also included for comparison and analysis. -- Each set comes with a one-pound bag of gravel, sorting tray, forceps, magnifiers, testing tools, study guide, a teacher's guide, and student copymaster, all contained in a convenient storage box. Average chip size: 3/8-1/2". -- For extra added value, don't forget about our "Find-a-" Series 4-pack! Included are the Find-a-Rock Lab Activity, Find-a-Fossil Lab Activity, Find-a-Mineral Lab Activity and Find-a-Fluorescent Mineral Lab Activity. Buy all 4 kits and save!
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Find-a-Rock Lab Activity
from Edmund Scientific's
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Rock Driller
$49.95
Turn your tumbled stone into wearables, gifts, and more! -- After polishing your stone in a rock tumbler, this Rock Driller takes it to the next level. Use the easy-to-operate drill to drill small holes into any substance with rock-like hardness. You can create jewelry, toys, home decor projects, and much more. This fun device offers limitless possibilities. It includes a drilling machine and a drill bit, 4 oz. of polished rocks, and an adapter. Additional jewelry making materials are also supplied - silver necklace chain, leather-like cord, three key chains, three pairs of earring wires, 12 jump ring connectors, and glue.
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Rock Driller
from Edmund Scientific's
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Shell X-Rays & Picture Cards
$14.95
New exciting way to look at fossils -- Discover the beauty of seashells inside and out. Examine real x-rays of a wide range of seahells, coral and animals to see their inner structure. Look at the printed cards to see the outside structure, color and design. Match up the x-rays to the printed cards. Lay the x-ray over the printed card to see how the inside and outside go together. The cards are 4x6" (10x15cm). X-rays vary in size. Includes teacher guide detailing the name of each shell and activities.
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Shell X-Rays & Picture Cards
from Edmund Scientific's
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