Prism Set
Product Number: SIA45494
$60.99
Set of 7 clear, highly-polished acrylic blocks, 3/4" thick, for investigating light and colour. Includes a rectangle, a semi-circle, 3 triangles, and 2 lens shaped (1 double convex, 1?double concave). The rectangle measures 2 1/4" x 2". Storage box included. Grades Prek-8
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