OMG!!! I made a misttake on my Bingo card, what could I do? Can I change another card? When you have a Bingo party or paly Bingo play with your friends, your friends or you may always indulge in chatting and make a wrong mark on the Bingo care so that many bingo card may be wasted. This plastic chips make the game easier and more perfect. With this chips, you don' t need to mark you number with pen, put it on the number, and you can also read it clearly. Besides, you can recycle you card at your next party.In addition to traditional game play, Bingo chips can be used in the classroom as a learning tool. Whether they are used for counting, in a science experiment, on an overhead projector or as tokens for a reward system, Bingo chips are versatile and convenient. <br> <b>Durable and reusable, this product is recommended for ages 18 and up. </b>