The odd clue
Compare details and test a rule.

Wait… look at that detail.
Shall we check together?Noé is sorting key prints from the Archives. One key on each tray does not match its label. Check the symbol AND the teeth, then show him the odd one.
3 stages · At your pace · Hints when you need them
- 1
- 2
- 3
Three challenges solved
Mission accomplished.
The three odd keys belong to other districts. “Someone mixed them up. That does not tell us who,” says Noé. A good investigation starts with careful observation.
What we practise together
Compare details and test a rule. Three progressive stages with no time limit. Hints offer a clue first, then a method. Reading uses the voice available on your device.


