Lemonade Stand

Change price and predict customer response.

Economics - Economics/Environment Pack 7

Market stand Lemonade Stand demand-and-inventory visualizationEducational toy model only

Sales round0.45 s

Price slider9.8 cents

Recipe batches1 batches

Demand risk0.05Inventory size5 cups

Activity objective

Change price and predict customer response.

Web demo playusable

lemonade-stand renders as a economics toy model with adjustable controls, a checklist, and public safety copy.

Keep rendered route, console, network, and safe-copy checks attached before release embedding.

Native mobile screencontract ready

The surface uses touch-sized controls, a single-column mobile layout, no hover-only actions, and no raw child media capture.

Port the same controls into the native shell and verify phone, tablet, offline resume, reduced motion, and bottom-rail navigation.

ChromeOS input paritycontract ready

The web surface keeps range controls, stepper buttons, evidence capture, and review links available to keyboard, pointer, and touch users.

Capture Chromebook-class keyboard, pointer, touch, reduced-motion, and timing proof before widening classroom rollout.

Keep the activity local-first, age-appropriate, and behind teacher review before public sharing.
No financial advice, real transaction, pricing guarantee, tax, legal, employment, or investment claims.
No raw device data, child media, or biometric input.

Build Lemonade Stand assets, controls, screenshots, and evidence from wonderworks-implementation-097-lemonade-stand.

Asset assemblyControl wiringEvidence captureRelease gate

Cross-platform readiness3/3