Take nine related images and arrange them into the matrix of a solved Sudoku puzzle, and the result is a fun and eye-catching design, perfect for a greeting card! These 35 designs are flat printed on 100% recycled, smooth, white card stock. Cards come folded, blank inside, and paired with an A2 envelope (4 3/8 in. x 5 3/4 in.) made from 100% recycled brown Kraft paper. $3.25 each for individually sleeved singles, or $18.00 for a pack of six. Available at www.objetdecarte.com.