Coin jar 100 dollar bill metal piggy bank Benjamin Franklin cash saving jar 8.5 and 6 inches tall coin bank for adults. Piggy bank must break to open. Metal piggy banks for adults teens kids. Sealed piggy bank. Money banks helpful in cultivating the habit of savings but after putting coins in the coin jar they cannot be taken out unless the piggy bank is destroyed. American style piggy bank looks like a retro feel money jar for adults piggy bank for teens and piggy bank for kids.