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Einstein called it the 8th wonder of the world. Help your kids understand why starting early matters more than anything else.
Would you rather have $1 million today or a penny that doubles every day for 30 days? The penny wins — it becomes $5.3 million! This is compound interest in action.
$0.01
Day 1
Just one penny
$163
Day 15
Still seems small
$5.3M
Day 30
The power of doubling
What if your child saves $10/week? With 4% interest (HYSA), here's the difference vs. a piggy bank:
$10/week: Invested at 4% (green) vs. Piggy Bank (gray)
The Rule of 72
Rice Doubling (Age 6+)
Put 1 grain of rice on a chess square, double each square. They'll be amazed by square 20!
Interest Jar (Age 7+)
Pay 10% weekly 'interest' on their savings jar. They see their money grow without adding to it.
Growth Chart (Age 8+)
Graph their savings monthly on paper. The curve gets steeper — they can SEE compound growth.
Calculator Game (Age 9+)
Start with $100, multiply by 1.08 each year. Race to see who reaches $1,000 first.
Parent Matching
Use Real Money
Key Takeaways