Explore
Look at the scene and find the details that matter.


Ages 8–12 · In preparation
A group of friends, three accounts and a contradiction that only an attentive mind can find. Mysteries to observe, discuss and explain with logic.
How to play
Each case presents a situation, an illustration and three accounts. Everything needed is on the page: compare, explain and identify the one impossible version.
Look at the scene and find the details that matter.
Compare each character’s account with what you can see.
Choose the impossible version and defend your reasoning.
Who it is for
Designed for readers aged 8 to 12, playing independently, with family or in class. The progression teaches the method before the more demanding cases.