Shop › I Do My Crosswords in Pen Sticker Image 1 of 2 Image 2 of 2 I Do My Crosswords in Pen Sticker $3.00 For expert puzzlers only. 2.5” x 2.5” rounded square sticker. Quantity: Add To Cart Added! For expert puzzlers only. 2.5” x 2.5” rounded square sticker.