Spark & Anvil Privacy

🍋 The stall at dawn

Chalk a price for a cup of lemonade and watch the two queues answer.

A lemonade stall with a chalk price, buyers and sellers.

A kid at a market watching supply and demand curves cross

MarketQuest

Run your own markets. Set a price and watch buyers and sellers react, then run experiments to discover why prices rise and fall.

Supply & Demand Market Shift Lab

🍋 The stall at dawn

Chalk a price for a cup of lemonade and watch the two queues answer.

A lemonade stall with a chalk price, buyers and sellers.

Start here

Supply & Demand Lab Slide the price and watch buyers, sellers, revenue, and equilibrium respond — predict a surplus or a shortage, then check the numbers. Market Shift Lab A heat wave, a viral video, a new machine — predict which curve shifts and where the price lands. This is WHY prices change. Compound Growth Watch interest earn its own interest — the quiet force behind saving and investing. Comparative Advantage Specialize and trade to make everyone richer — the idea behind why countries and people trade at all.
Brain Break Take a quiet moment between markets — a short breather. Brain breaks help you remember what you learn.

All activities

Run the markets

Surplus or shortage? Predict what a price does — then check the numbers on a live chart. Find the balance price Where do buyers and sellers agree — the equilibrium? Price for profit Which price earns a seller the most money? Which curve moves? Does the event touch buyers, or sellers? Where does it land? Predict the new price and quantity after a shift. Opportunity Cost Find the single best thing you passed up. Who Pays? (externalities) Some deals hit people who were never in them — find who pays, then see how a fee or reward makes it fair. Compound Growth Watch interest earn its own interest. Comparative Advantage Specialize and trade to make everyone richer. Medium of Exchange Route a barter chain, then discover why money helps.

Learn & practice

Concept kits 16 economics kits — money, business, trade, and investing — a hint whenever you get stuck. Mixed Practice A short round shuffling questions from the kits you have played — spaced so it sticks. MarketQuest Sprint Race your OWN best on what you already know. Timer optional, no penalty for a miss. Trick Questions Brain-teasers with a twist — spot why the obvious economics answer is a trap. Teach the Cast Teach an economics idea to a cast member still learning it — teaching makes it stick. Progress Your levels, days active, and how each skill is coming along — saved on this device. Progress report For grown-ups — a private on-device snapshot mapped to the skill areas. Export a CSV or print.

Play together

Market Duel 2–4 traders take turns on one device (or an online room) — highest first-try score wins. Market Quest A progression map through all 16 kits — clear each stop, then trade on.
Concept Kits — economics, kit by kit

16 kits, each a short round of questions with hints when you need them.

Kit 1: Introduction to Economics and Markets Foundations · grades 5-6 · 25 questions Kit 2: Supply, Demand, and Price Foundations · grades 5-6 · 25 questions Kit 3: Money, Banking, and Saving Money & investing · grades 5-6 · 25 questions Kit 4: Entrepreneurship and Business Basics Business & entrepreneurship · grades 6-7 · 25 questions Kit 5: Trade, Imports, and Exports Trade & government · grades 6-7 · 25 questions Kit 6: Government, Taxes, and Public Goods Trade & government · grades 7-8 · 25 questions Kit 7: Investing, Risk, and Financial Markets Money & investing · grades 7-8 · 25 questions Kit 8: Master Economist Capstone Putting it together · grades 7-8 · 25 questions Kit 9: Digital Marketing & Social Media Business & entrepreneurship · grades 6-8 · 25 questions Kit 10: Product Design & Innovation Business & entrepreneurship · grades 6-8 · 25 questions Kit 11: Leadership & Team Management Business & entrepreneurship · grades 6-8 · 25 questions Kit 12: Social Entrepreneurship & Ethics Business & entrepreneurship · grades 6-8 · 25 questions Kit 13: Cross-Topic Connections Putting it together · grades 5-6 · 25 questions Kit 14: Real-World Applications Putting it together · grades 6-7 · 25 questions Kit 15: Misconceptions & Reasoning Putting it together · grades 6-7 · 25 questions Kit 16: Advanced Synthesis Putting it together · grades 7-8 · 25 questions

More ways to play

Fill the slot Quiz Arena Market Run Trader’s Ledger Random-Walk Market

Same idea, another world

Something you practice here shows up somewhere else too — that's real learning that travels.

A price settling where supply meets demand is a balancing feedback loop — the same self-correcting loop that steadies any system. The shared idea: a balancing feedback loop — supply and demand settling to an equilibrium price is a self-correcting loop, the same balancing loop that steadies any system Try NexusForge →
MarketQuest mascot

Meet the cast — the characters who teach this

Each one stands for an idea you’ll practice. Tap a character to read their illustrated story and hear their audio drama.

Ensemble stories — the cast together

Explore all the stories →

What next? Pick a door

Chosen from what this app is about. What you open is remembered on this device only.

📚 Books for MarketQuest

Read the story, print a workbook, or color the cast — free PDFs to read offline or print at home.

Browse all books →

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