Grimm's Small Complementary Color Star - Little Wooden Creative Puzzle in Storage Tray The frame measures 11 inches (27.9 cm) from corner to corner The wood blocks are 1 1/2 inches thick and 5 inches long (3.3 x 12.7 cm) . Pieces are hand-cut and sanded, and colored only with non-toxic water-based dyes that meet US and European government safety standards