Einstein supposedly called compound interest the most powerful force in the universe. You don't need the math to give your child its magic — you need a jar and a small, weekly miracle.
Make money grow where they can see it
Open a "family bank." Each week, your child brings you their Save jar, and you add a little — say, a dime for every dollar they've kept. That's interest: money their money earned just by waiting. The first time a child realizes they got extra for doing nothing but saving, something clicks.
Then show the snowball
Here's the part that makes it compound: next week, they earn interest on the new, bigger total — including last week's interest. Draw it out. Week one, they have a dollar. Week two, more. Week three, more still, and growing faster. The line bending upward is the whole lesson. Money that earns money, that then earns money, is how patience turns into wealth.
The takeaway that lasts
Your child doesn't need to calculate anything. They need one durable feeling: saving pays me back, and the longer I wait, the more it pays. That single instinct, planted early, will outperform any formula they memorize for a test at seventeen.
The Family Bank is one of the hands-on lessons in Raising a Little Economist, free from GSU. More at the Economics campus.
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