Because they are children and children do stupid things. One problem is that they look a lot like silver dragees, little silver sugar balls sometimes used to d

Because they are children and children do stupid things. One problem is that they look a lot like silver dragees, little silver sugar balls sometimes used to decorate baked goods. See e.g. http://www.fancyflours.com/category/silver-dragees http://www.fancyflours.com/category/silver-dragees for what they look like.