No. 03
Shell Island
- Worlds
- Shell Island
No. 03Economics
Shell Island
A small 3D island for second-grade economics.
Pinch, a hermit crab, guides children around the island and reads the words aloud. There are four chapters. Each takes about 25 minutes, including class discussion.
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Playable here in December.
Standards
The standards it is built to
Georgia Standards of Excellence codes, exactly as written. The topic under each code is our plain-language summary.
- SS2E1: Scarcity, choices and opportunity cost. Taught in Shell Island and Georgia, My State.
- SS2E2: Ways goods and services are shared out. Taught in Shell Island and Georgia, My State.
- SS2E3: Money, trade and barter. Taught in Shell Island and Georgia, My State.
- SS2E4: Spending and saving choices. Taught in Shell Island and Georgia, My State.
What children do
Four chapters, about 25 minutes each
The time includes class discussion. Each chapter teaches one standard.
Pinch, a hermit crab, guides children and reads the words aloud.
The Beach SwapSS2E3
Trade goods and services, then compare barter with money.
Storm CoveSS2E1
Choose one thing and name what you give up. That is opportunity cost.
The DockSS2E2
Compare ways to share scarce boat rides: who rides and who waits.
Shell Bank & MarketSS2E4
Earn, save and spend pretend shells, and choose a saving goal for the festival.
Shells are pretend. There are no purchases with real money.
For the teacher
What you get
- Show me! tours of each chapter. They earn no shells and write no notebook work.
- Teacher Mode, opened by holding the title for three seconds.
- Class tab: a class vote, the festival date, and a reset for one bank or the whole class.
- Settings tab: larger projector text, reduced motion, high contrast, a chapter lock and sound controls.
- Lessons tab: four lesson plans with goals, questions, vocabulary and timing, and a printable sheet for each lesson.
- A notebook with a print button.
- A teacher guide comes with it.
Shell Island is version 1.0, and we still call it a draft for classroom review.
Devices
Where it runs
- Runs in the browser. Built for classroom Chromebooks and iPads.
- The whole world is one file of 13.5 MB. The link needs internet to open.
The privacy label
What Shell Island does with a child’s information
This label is for this world only. The privacy page has the label for everything we make.
Shell Island
It asks for a first name or nickname. That stays on the device.
- Accounts or logins
- None
- Names
- Stay on the deviceThe first screen asks each child for a first name or nickname, up to 20 characters, so the island can keep a bank and a notebook for each one.
- Sent after the page loads
- NothingThe world is one self-contained file. It makes no network request once the page has loaded.
- Stored on the device
- Names, banks, notebooksEach name with its shell bank and notebook work, plus the Teacher Mode settings. A whole-class reset removes all names, banks and notebooks.
- Ads or tracking from Williams Labs
- None
Plates
Three more looks inside
Next The founding list
Be one of the first 200 teachers.
The first 200 teachers get the Founding Teacher price, $29 a year instead of $39 a year, locked for life, and a say in what gets built next. Checkout opens in December 2026. Until then, joining the list is one email to us.