There where several different color push pins and each color represented a question. These questions where supposed to be answered by the person who picked the pin and then in turn they could ask another person the same question. I found the questions online or per conversations I had with people. Here is the break down I had:
You can have as many colors as you like and make up whatever questions you like. It is a fun way to get to know people because they don't know what question they will get and it interesting to hear what they will say.