American Educational Screen Sieves Set (4 Piece Set)
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<b>[Product Information]</b><br>
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<li>Kit includes bottom pan and lid with teacher's guide and sieves</li>
<li>Four screen mesh sizes (5, 10, 60, 230) will let students separate</li>
<li>Grade soil and rock samples in order to determine the make-up of soil strata</li>
<li>For grades 6-12</li>
<li>4 Piece set</li>
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