Tangram: DuetTangram is a set of seven shapes which forms a perfect square. Shapes include 1 square, 5 triangles, 1 parallelogram. Use these 7 shapes to forms a range of diiferent designs. Tangram Duet includes 2 sets of the 7 shapes, 55 cards with Tangram silhouette designs and solution printed on the reverse. Why we love it: Tangram develops visual closure skills, and synthesis of the parts into the whole. Made in South Africa