The Early Learning & the Arts mats engage young children to learn about shapes, colors, the alphabet, and other basic life skills through lively depictions and areas for practice. These BrainyMats help children gain interest in thinking and learning. Colors and Shapes BrainyMat features six shapes, in six different colors. Shapes include square, oval, triangle, pentagon, rectangle, and circle. Colors include yellow, orange, red, blue, green, and purple.