Designed to enhance various mathematical concepts, this set is a fun and engaging way to develop problem-solving skills and spatial awareness. Crafted from durable EVA foam, these stamps are perfect for creating art and exploring patterns. The tangram shapes include seven different geometric pieces, all of which fit together to form a square. This simple yet powerful tool can be used to teach a variety of mathematical principles in a hands-on, interactive way. From classrooms to home schooling, the Tangram Stamping Shapes Set provides an exciting new approach to learning. With three sets included in each pack, children can work individually or in small groups, promoting social interaction and collaborative learning. 1x Square: A Square is a polygon with four equal sides and four right angles.1x Parallelogram: A Parallelogram has four sides, two sets of equal sides and two sets of equal angles. This is the only tan that can be flipped to create reverse of itself.5x Isosceles Triangles: There are 5 triangles in a Tangram Set. All are Isosceles triangles - with two sides of equal length and contain a right angle.