STEM Spark
Screen-free micro-science experiments and lab journals for young explorers.

1. Extract the entire ZIP before use.
2. Open START.html in a current desktop browser. Keep the adjacent JS/CSS files together.
3. The initial view uses fictional sample inputs. Replace those before creating your own output.
4. Read QUICK-START.pdf and the in-app guide. Export JSON backups before clearing browser data.

No installation, account or internet is required to calculate. Browser storage availability varies; use JSON backups. Chrome on macOS receives the browser acceptance check for this release. Other browsers require your own sample check.

What it does: Perform 100% safe household kitchen experiments with hypothesis tracking and badge rewards.
Limits: Household kitchen science activities. While non-toxic, adult supervision is recommended for clean-up and handling glassware or liquids.
Support: contact@jamesaisolutions.com
