Somebody mixed up four lunch trays! Use only the clues on the trays to crack all four locks. If a clue doesn't prove something, don't guess it.
Four students — Ana, Ben, Cleo, and Diego — left their trays behind. Tap each clue to look closely. Be a careful thinker: a real detective only claims what the clues actually show. Solve all four locks to clear the lunchroom!
Tap each clue to read it. (You can reopen them anytime.)
Solve each lock using the clues above.
You matched every tray using only what the clues proved — no wild guesses. That's exactly how careful thinkers work.