
The Lemonade Stand
Earning, and that money comes from work plus a little planning.
Run a stand for one hot afternoon. Buy lemons, set a price, handle a customer who haggles, and decide what to do with what you earned.
Press to peekEach world is a short interactive story with one lesson at its center. The AI improvises the moments; the lesson never moves. Press a world below, or scroll for the full detail on each.
Each world is a short interactive story. Press one to see what it teaches.

Earning, and that money comes from work plus a little planning.
Run a stand for one hot afternoon. Buy lemons, set a price, handle a customer who haggles, and decide what to do with what you earned.
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Saving for a goal versus spending right now.
You got birthday cash. A shiny thing is right there. A better thing is two weeks away. What do you do?
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Smart spending, fair trades, and spotting a tricky deal.
A swap meet at school. Some trades are fair, some sound great and are not. Learn to check before you say yes.
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Giving: choosing a cause, and how a little can help a lot.
Your class is helping the animal shelter. Decide how much of your jar to give, and how, and feel what it does.
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Waiting: the hardest skill, and why the wait is often worth it.
Spend on the okay skateboard today, or wait two weeks for the one you actually want. The wait is the whole game.
Press to peekRun a stand for one hot afternoon. Buy lemons, set a price, handle a customer who haggles, and decide what to do with what you earned.
The parent question
"If you ran the stand again tomorrow, what one thing would you change?"
Two options every turn. Both reasonable, neither a trick.
Starts with 6 coins. Counting cups sold, one price, one neighbor with a deal.
Starts with $12. Introduces cost versus price and the word profit in a single sentence.
Starts with $25. Names margin and reinvesting, and the neighbor's deal has a real trade-off.
You got birthday cash. A shiny thing is right there. A better thing is two weeks away. What do you do?
The parent question
"What is one thing you want that is worth waiting two weeks for?"
Two options every turn. Both reasonable, neither a trick.
$10 of birthday money, a $4 thing now versus a $14 thing in two weeks.
$30 of birthday money, a split option appears, and the word goal is used on purpose.
$60 of birthday money, a sale that may or may not come back, and a line about trade-offs.
A swap meet at school. Some trades are fair, some sound great and are not. Learn to check before you say yes.
The parent question
"Was there a trade or deal this week that looked better than it turned out to be?"
Two options every turn. Both reasonable, neither a trick.
Stickers and small toys. Fair means same for same. The tricky trader is silly, not sneaky.
Trading cards with rough values. One trade sounds great and is not. Kids practice one checking question.
A trade with hidden conditions, and the idea that pressure to decide fast is itself a signal.
Your class is helping the animal shelter. Decide how much of your jar to give, and how, and feel what it does.
The parent question
"If you could give to one cause this month, what would it be and why?"
Two options every turn. Both reasonable, neither a trick.
A jar of 8 coins and a shelter with kittens. The kid picks how many to give and feels the result.
A $20 jar and a choice between money and time. A friend asks how much you gave.
A $45 jar, a goal the kid is also saving for, and the real tension between giving and the goal.
Spend on the okay skateboard today, or wait two weeks for the one you actually want. The wait is the whole game.
The parent question
"When was the last time you waited for something, and was it worth it?"
Two options every turn. Both reasonable, neither a trick.
Two coins short of the board you want. Two weeks is explained as fourteen sleeps.
$8 short of a $40 board. The boring middle of the wait is a whole turn on purpose.
$30 short of a $120 board, and the phrase opportunity cost appears with a one-line kid explanation.
Grow plan families get them first. Every world ships with the same safety rules, the same validated schema, and the same kind debrief.