Using angles based on the number 7, these unique magnetic tiles allow you to easily make your own aesthetically pleasing designs with repeating and non-repeating patterns. Use FRACTILES-7 to create starbursts, spirals, butterflies, beautiful mandalas of infinite complexity, bouquets of flowers, swarms of fireflies, spaceships, illusions of 3D space, and lots more. Magnetic pieces stay put--makes a great travel toy. For ages 6 to adult.