GT011S The number placing game taking the world storm. A great activity to exercise the brain， help develop logical resonsing， and provide a sense of achievement. Be to insert the numbers in the grid to satify only one condition: each row， column and 3×3 regions must contain the digits 1 through 9 exactly once. Brand new product with high quality. This price is only for weekend promotion， Valid 2010.12.03-2010.12.05. Package Details Weight: 81.32 g Size: 11.7*7*2.5 cm Package Includes 1 × YFY-801 Sudoku