Unfold
What do you want explained?
Ask a question. You get a small interactive figure a learner can play with.
Level
Grades 5-8
Who is it for
Grades 1-4
Something they have touched. One control, no units.
Grades 5-8
Two controls and simple numbers with units.
Grades 9-12
The real relation, a graph next to the object.
University
The model, its assumptions and where it breaks.
Postgraduate
The edge of the model and the open question.
Depth
Quick
How much time and care
Quick
About a minute. One idea, one control, two builds.
Standard
About 3 minutes. A check-sheet pass and a second state.
Deep
About 6 minutes. Phone and dark views, more states.
Advanced
10 to 15 minutes. A dense instrument with named parts.
Claude Opus 5.5
Model
Claude Opus 5.5
Anthropic
Claude Sonnet 5.5
Anthropic
GPT-6.1 Sol
OpenAI
GPT-6 Astra
OpenAI
Why does the moon change shape?
How can a small kid lift a big kid on a seesaw?
Why does a spinning top stay up?
What makes a rainbow?
Builds run on Modal, figures are kept in R2 ยท skill unfold f9cad77