Fill in the grid so that every row, every column, and every 3 x 3 box contains the digits 1 through 9.
Features:
- Thousands of puzzles included^$^#Any level can be chose^$^#Three modes: Timer\clock\game^$^#LCD display^$^#
Ordering information:
- Minimum Order: 3000pcs
- FOB: Shenzhen
