For grown-ups
UncookTots gives a 3–5-year-old one calm idea to feel: some changes can be undone, and some cannot. Melt an ice cube and it can freeze back; squash a soft ball and it springs back — but a cooked egg, a popped balloon, and a slice of toast stay changed forever. The child changes each thing, then sorts it into “Comes back 🔄” or “Stays ➡️”.
What it's quietly building
- Reversible vs irreversible. The first, gentlest version of a real science idea — some changes undo, some don't.
- Cause and effect. “I changed it… now what happened?” Watching, predicting, and checking.
- Calm sorting. Two bins, no timer, no score. A wrong guess just gently shows where it really goes.
Play alongside
Do it for real together in the kitchen: “The ice melted — will it come back if we freeze it?” “The toast is brown — can it turn back into bread?” Wondering aloud matters more than sorting every thing.
Our promise
- On your device. Nothing is sent anywhere — no account, no sign-in, no tracking.
- No dark patterns. No streaks, no rewards to chase, no way to fail.
- Free, always. No ads, no purchases.