Humor birthday cards with unusually large shapes and sizes are also very effective ways to heighten a birthday party celebration. Just as how they can hold an enormous amount of content, the cards can also command an equally enormous amount of attention and detail. More importantly, the card's excess space and size will come in handy for hiding special knickknacks and novelty gags or a gift card without being too bulging or tearing the envelope.
When it comes to birthdays for that person who has a sense of humor, finding unique humor greeting cards may seem like an impossible task given the countless varieties that are available on the market today. Fortunately, however, some card ideas remain as surprising and memorable as when they were first conceived.