Inflation Balloon

Why Prices Go Up

Understanding inflation and why a dollar today isn't the same as a dollar tomorrow.

  • Ages 5–8 and 9+
  • About 5 minutes
  • Free, no account needed
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What this planet teaches

What Is Inflation?

Inflation means prices generally increase over time, so each dollar buys less than it used to.


Real numbers:

  • 1990: a movie ticket cost $4.23
  • 2000: $5.39
  • 2010: $7.89
  • 2024: $11.75

  • Same movie, same seat, but the price nearly tripled in 34 years. That's inflation.


    Why it matters for savings: If inflation is 3% per year and your savings earn 1% interest, you're actually *losing* 2% in purchasing power every year. Your savings account has more dollars, but those dollars buy less.


    This is why investing matters. Historically, the stock market returns ~10% per year on average. After 3% inflation, that's still 7% real growth. Money in a 0.01% savings account? It's slowly shrinking in real terms.


    The takeaway: Don't just save — make sure your money grows faster than inflation.

    How a planet works

    Go through a short lesson with the KidCash mascot, three or four cards with a question to tap and reveal on each set. Last comes a three-question checkpoint: answer two correctly to clear the planet and earn the Inflation Expert badge. Lesson progress stays in this browser; when a kid signs in, planet badges and any Family-plan badge rewards save to their KidCash profile.

    Land on Inflation Balloon to try the lesson cards and checkpoint. This planet’s mini game is arriving soon.

    Questions this planet covers

    1. What is inflation?
      • When balloons get bigger
      • When prices generally increase over time
      • When you get a raise
      • When banks give you free money
    2. If prices keep going up, what happens to money sitting in a piggy bank?
      • It buys more each year
      • It buys a little less each year
      • It turns into gold
      • It buys exactly the same forever
    3. What helps your money keep up with rising prices?
      • Hiding it under your bed
      • Spending it all right away
      • Earning interest or growth on it
      • Counting it every day
    Why Prices Go Up: Free Money Lesson for Kids — KidCash App