What is Money
In this illustrated picture book, the animals of Econia trade by barter until they realize it is tricky—sometimes the baker wants fish but the fisherman wants boots. They decide to use shiny shells as money, discovering that money has three functions: medium of exchange, store of value, and unit of account. The book explains why money works because everyone trusts it, and shows that money can be shells, paper, coins, or digital numbers.
About the Book
In this illustrated picture book, the animals of Econia trade by barter until they realize it is tricky—sometimes the baker wants fish but the fisherman wants boots. They decide to use shiny shells as money, discovering that money has three functions: medium of exchange, store of value, and unit of account. The book explains why money works because everyone trusts it, and shows that money can be shells, paper, coins, or digital numbers.
Prerequisite Requirements
No formal economics background is needed. A child can enjoy the story simply by knowing what animals and trading are, and by being curious about why we use money.
Learning Benefits
This book gives young readers a first, concrete understanding of money’s role in everyday life. It introduces key economic vocabulary—barter, medium of exchange, store of value, unit of account, trust, digital money—and shows how a community solves a practical problem. It invites discussion about wants, needs, and the value of things, and helps children recognize money in its various forms.
Structured Knowledge Path
The book belongs to the realm of economics, specifically microeconomics, and explores how trade works when there is no common currency. It connects to everyday experiences like earning an allowance, saving in a piggy bank, or paying with a card, and lays a foundation for later topics like supply and demand, opportunity cost, and budgeting.
Advancement
Readers can later explore how money is used in budgeting, saving, and making choices, and learn about opportunity cost and supply and demand. The idea of trust in money also leads to discussions about banks, banking, and digital currencies.
Knowledge Points
- Barter is difficult because it requires a double coincidence of wants.
- Money serves three functions: medium of exchange, store of value, and unit of account.
- Money works because people trust it.
- Money can take many forms across different places.
Skills
- define-money-functions
- explain-trust-in-money
- understand-barter
Vocabulary
- barter
- Trading things instead of using money.
- medium of exchange
- Money lets us buy and sell.
- store of value
- We can save money for the future.
- unit of account
- Money helps us compare prices.
- trust
- Money works because people believe it has value.
- digital money
- Money you use with computers or phones.
- bank
- A safe place to keep and move money.
Reading Guidance for Teachers and Guardians
- Page 4: Pause and ask: Why does Baker Bear want a fishing net? What does Fisher Otter want? Can they trade directly?
- Page 5: Notice the word 'tricky'—discuss why finding the right trading partner is hard.
- Page 9: After reading about the three jobs of money, ask your child to think of an example of saving money (store of value) and comparing prices (unit of account).
- Page 10: Talk about trust—why do people believe shells are money? What does the Island Council promise?
- Page 11: Look at the different money forms—paper, coins, digital. Ask: Which ones have you seen?