Smart Pencil with bulb and sudoku, torn paper. Illustration of orange ripped paper background with playful sudoku motif. Vector available Stock Vector Image & Art - Alamy
Sudoku Puzzle Books Volume 10. Light. Sudoku Intelligence Puzzle Game (The Genius Brain Challenge): Dalipi, Arbëresh: 9781541226647: Amazon.com: Books
ZOpid HT-ZS11 Sudoku Game With Back-Light and Touch Screen - ZOpid Inc.