Tangrams are made from hard, smooth plastic with 4 bright colors (Red, Blue, Yellow, Green) for children to learn the characteristics of each of the tangram shapes, congruent and similar shapes, symmetry, angles, area and fractions. Four colors, seven different shapes, 210 pieces in all. Packaging consists of 7 different shapes with single color packaged in a bag. Pieces measure 3.94 in x 3.94 in x 0.79 in (10 cm x 10 cm x 0.2 cm) each. Grades K to 6.
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