Sliding Number Puzzle 5x5

thingiverse

This is a fun, classic sliding puzzle that keeps my brain active during relaxing when working at my office. One of the best games for spending good relax time. Suitable for all ages as math exercise! Each tile is 20x20mm square, the physical space to fit these tiles in 5x5 is 101x101mm. You can also design your own mathematic game to challenge yourself or your friends and family, use any color as you like.