642112 Features: -Learn About Rocks And The Minerals That Form Them.-Discover The Fascinating Crystal Structures Of These Minerals.-Kit Teaches You The Chemistry Of Crystals And The Geological Science.-Grow Three Chemically Different Types Of Crystals.-Built Crystal Shapes Including Octahedron Tetrahedrons And Rhomboids.-Investigate The Geologic Rock Cycle.-Learn How Three Main Categories Of Rock Igneous Sedimentary And Metamorphic Are Formed Altered Destroyed And Formed Again.-32-Page Experiment Manual.-Ages 8 And Up. Color/Finish: -Full-Colored. Assembly Instructions: -Assembly Required. Dimensions: -Guide Book Dimensions: 5.5'' W X 8.25''.
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