Let me guess your age, birth month, or your weight

Many people go and visit their State Fair this time of year.  I’m no exception.  What a fun way to spend a day.  When you do go and visit, you probably will notice the many displays set up who will guess your weight, your birth month or your age.  Seems like they are located on every corner.  They guess wrong and you win a prize.  What scale do they normally have beside them?

Usually, it is an old mechanical dial scale.  These days, not too many of those old mechanical dial scales are available.  However, we do have these portable digital platform scales which are similar.