iGadget TY-425 Sudoku Electronic Puzzle Game for $10 or FREE

This portable Sudoku electronic push-button game has an easy-to-see backlit screen and 3 difficulty levels. Sudoku is an innovative number puzzle game that has taken the world by storm. The game is based around a 9x9 grid, divided into smaller 3x3 sections. Some cells are pre-populated with the numbers 1 to 9. Your task is to fill the remaining empty cells, so that each row, column and region contains one instance of every number from 1 to 9