1. Read the clues3 1 means 3 filled squares, at least one gap, then 1 filled square.
2. Mark what you knowFill certain picture squares. Mark certain gaps with ✕.
3. Check both waysEvery row and column must match its clues. Finished runs get a tick.
4. Use logic, not guessesHints explain a real line deduction. The second hint tells you why.
5. Big boards movePinch or use +, − and Fit. Two fingers pan while clues stay on the edges.
6. Reveal a factFinish the picture to colour it in and learn three science facts.