Of course, these types of pots are also breakable.
Wood and tin are more durable than glass or some of the plastics, and antique toys made from wood and metals are usually in better condition than those made from tin, glass and other breakable materials.
Women whose nails are weak and easily breakable may feel more comfortable with a strong fake nail over their natural one.
If other children are in the home, don't choose a fragile or breakable keepsake, as you want it to endure through the years, rather than end up in pieces days after it's received.
Well, logic will tell you that Cinderella couldn't have sprinted home in time to meet her curfew in real glass shoes and Wonder Woman couldn't have made emergency landings in a breakable aircraft.