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. FRACTILES-7 facilitates an intuitive grasp of spatial relationships and invites deeper exploration. -MAGNETIC pieces stay put--makes a great TRAVEL TOY  -Use pieces with the BLACK ACTIVITY BOARD or on the fridge  -PUZZLE with millions of solutions--limitless combinations and diverse designs  -EASY to use  -STIMULATES CREATIVITY  -RELAXING group or solo activity  FRACTILES-7 now comes in three editions. NEW Fridge Fractiles:  -48 brilliantly colored, flexible MAGNETIC tiles  -Refrigerator not included  -Illustrated cardboard CD style package to store tiles  -Suggested Retail: $9.95  Travel Edition:  -96 brilliantly colored, flexible MAGNETIC tiles  -Sturdy 8" x 8" black textured STEEL activity board  -Illustrated instructional material  -Double record album style package to store board and tiles  -Suggested Retail: $21.95  Large Edition:  -192 brilliantly colored, flexible MAGNETIC tiles  -Sturdy 12" x 12" black textured STEEL activity board  -Illustrated instructional material  -Double record album style package to store board and tiles  -Suggested Retail: $38.95  FRACTILES-7 is for ages 6 to adult. WINNER OF A 1999 PARENTS' CHOICE SILVER HONOR AWARD