Sudoku puzzle topper with edible ink pen! Complete with edible ink pen!! £8.49 Out of Stock 7.5" edible round cake topper. Just peel and apply! Full instructions will be sent with your topper. This Sudoku puzzle topper comes with a black, Specially formulated edible ink pen. Complete the puzzle, then cut the cake! Great for a Sudoku lover!Please type your message details in the "message for topper" box.Would you like matching fairy cake toppers? Or maybe an assortment of designs? Please Click here.