Most "free" calendars come in a full page format but you can find others. In full_page calendars there are both portrait and landscape; large numbers with no space or small numbers with lots of space. You can also get half_page and quarter page. Then there are formats to see the whole year, or a few months, at a glance. You can find 6_up horizontal or 2_up verticals showing all 12 months, or strip calendars in horizontal and vertical with all 12 months in row. And, there are other calendars which list the dates down the left, and possibly the week days, with spaces to the right for notes or appointments.
_ Choose a word of interest to the person who receives it. Suppose, for example, that Grandma has apple decorations all over her kitchen. Your puzzle word could be APPLE. Make a rectangular puzzle that is about 12 x 12 squares. Write the word APPLE inside in different directions about 4 or 5 times. Then fill the blank spaces with A, P, L, E until all the spaces are full. Cut out the puzzle. Glue it onto a piece of red construction paper cut in the shape of an apple. Then ask Grandma, "How many times can you find the word APPLE?" She will be delighted, to the core! You can think of lots more fun words like this to hide.