A few days ago. I search for information on the American Educational 45 Piece Expanded Rock Collection, so i have to tell.
The collection is number-coded and includes a key sheet for identification. The 2220 has a compartmented tray for display and storage with specimens that measure 1-1/2 x 1-1/2 inches (L x W). (L is the horizontal distance from left to right W is the horizontal distance from front to back.) The collection is suitable for grades 6 to 12 and ages 11 to 18. Science education .... Check Price
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