The Boston Celtics are one of the NBA’s most popular teams. With their many championships, they have made it to the hearts and minds of many fans. One of the biggest reasons behind this is their great gift shop where fans can purchase all sorts of Celtics related merchandise. But what if you’re out shopping for a Celtics fan? You may not know what type of gift they would really like. This can add up to extra money spent on something that wasn’t even on your mind at first.