A slider puzzle is the one where the aim is to sort the given pieces, using a blank slot for movement. Our features: ★ 8 (3x3), 15 (4x4), 24 (5x5) and 35 (6x6) block boards ★ 9 different theme ★ 180 pictures to solve ★ Guaranteed solution for all puzzles ★ Lightweight & supports SD Card install ★ Minimal device permissions ★ Numbers at the tile's corner to help Slider puzzles help to improve the thinking power, agility, hand-eye coordination and patience of children.