$8.95
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Now anyone can be a rock hound! This kit is loaded with 30 rocks, minerals,... more
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$10.95
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Have your own geode-cracking party or just enjoy discovering what is inside... more
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$12.95
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Even younger children can build this 3X refractor telescope in less than an... more
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$18.95 $13.95
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This 15-specimen kit with number-coded, 1" specimens of igneous, sedimentar... more
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$14.95
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This unique kit is an easy way to grow great crystals every time! The speci... more
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$16.95
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Investigate changes in the weather using the hands-on tools in this kit for... more
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$16.95
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Learn all about volcanoes with this book and hands-on kit. Find out about ... more
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$20.99 $19.95
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Make model volcanoes erupt and geysers spout while learning about one of th... more
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