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domenica 7 agosto 2016

Smithsonian Rock and Gem Dig, Model: 52046

Contains block with 11 Gemstones & Minerals or Rocks, 1 Mallet, 1 Dowel, 1 pr of goggles, streak plate, Magnifying glass, brush, color poster and instructions.
Test for hardness
Test for streak
Learn how rocks and minerals are formed
Have fun with an archealogical dig
Detailed instructions

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