Free STEM + AI learning resources · Ages 9–13

Understand the machine. Then question the design.

Three short explorations for curious readers and the adults learning alongside them. Start with paper, a pencil, and a familiar question.

Try it, or run it with a group

Play the five-minute design challenge, run House Thinks Week, or embed the activity on your own site.

Run a ready-to-use session

The free educator pack includes a 30-minute lesson, a worked refrigerator example, discussion prompts, a reasoning checklist, and printable student worksheets.

Get the educator pack

A safe starting point

Use diagrams and external observation only. Do not open, modify, obstruct, or experiment with appliances or safety equipment. Imagine failures on paper; do not interrupt power or networks. Every activity can be completed without an AI account or a screen.