The large Gowi number sliding puzzle is a classic patience game that challenges logical thinking and concentration. On the sturdy, black plastic frame, there are 31 sliding tiles numbered from 1 to 31. By cleverly using the empty space, the goal is to slide the scrambled numbers back into the correct order. The two-tone design in red and white ensures a clear visual structure. This sliding puzzle is ideal for children aged 3 and over as well as for adults, playfully promoting perseverance and mathematical understanding.