You probably keep a jar or a drawer full of pennies and wonder what happens if the U.S. Mint stops making them. You'll learn practical options for sorting, saving, spending, or repurposing those coins ...
When it comes to LEGO and sorting, the idea is usually to sort bricks by color, which is a great way to help keep your sanity. And if you want to buy more, you may need to save your pennies and so on.