The cool new Bubble Wrap Calendar ($30) is the perfect calendar for those who love to pop bubble wrap and the worst calendar for those with an Obsessive Compulsive Disorder. Popping those little bubbles on bubble wrap just might be society's ultimate guilty pleasure and I find it highly satisfying. This fully functional poster-sized calendar is handmade and printed on heavy-duty 100 lb. glossy cover stock with a bubble to pop for every day of the year. It features days of the week, all major U.S. holidays and the weekends are bolded for easy reference. Just be careful not to pop the whole year the first day! (via Michael Kiely)

It's a calendar where you get to mark each day off by popping a bubble! I think the problem would be when you have a friend's kid over who pops entire months off at once!