The Mini offers more solutions as each column is 8 pieces by 8 colours.The perfect travel companion- it fits comfortably into your pocket! ages 5+.The puzzle is a multiple solution creative "drawing" toy.With the goals aligning complex patterns, each size offers an advantage.The Braille, which was originally designed for the visually impaired; is actually numbers and not colours.The puzzle was designed to "win" in airports, trains, and the back of the car on the road.We understand that the probability of beating the DVDs, Wii, & Playstations in the home are "slim," so we designed the creative toy to play that requires no batteries, notepads, pens, pencils, electrical outlets - just the toy and a curious mind.