A magnetic fun game that builds brain activities, kind of like Sudoku. A sliding puzzle with magneticized pieces that makes it easy to slide and solve. Based on a Chinese traditional game Klotsi, this game is designed to encourage, stimulate and enhance brain activities, reasoning and build mental capacity. Improves intelligence by engaging problem solving skills and deductive reasoning. Klotski is a sliding block puzzle thought to have originated in the early 20th century. The name may refer to a specific layout of ten blocks, or in a more global sense to refer to a whole group of similar sliding-block puzzles where the aim is to move a specific block to some predefined location. With this Number edition, the goal is to rearrange the numbers in the correct order. The Klotski puzzle is available in various other designs with more numbers. A great brain teaser for both children and adults alike!A magnetic fun game that builds brain activities, kind of like Sudoku. A sliding puzzle with magneticized pieces that makes it easy to slide and solve. Based on a Chinese traditional game Klotsi, this game is designed to encourage, stimulate and enhance brain activities, reasoning and build mental capacity. Improves intelligence by engaging problem solving skills and deductive reasoning. Klotski is a sliding block puzzle thought to have originated in the early 20th century. The name may refer to a specific layout of ten blocks, or in a more global sense to refer to a whole group of similar sliding-block puzzles where the aim is to move a specific block to some predefined location. With this Number edition, the goal is to rearrange the numbers in the correct order. The Klotski puzzle is available in various other designs with more numbers. A great brain teaser for both children and adults alike!