What does my child practise?

Logical reasoning: using constraints to work out what fits where.

Is there a time limit?

No — the puzzle waits for every move.

Number Place

Fill a 4×4 grid so every row, column and box holds 1 to 4.

Sep 22, 2026

Fill the grid so every row, every column and each 2×2 box holds 1, 2, 3 and 4 exactly once. Some squares start filled — tap an empty one to cycle its number. No timer.

Game

A game for ages 10 to 12. Start with the square that has the fewest options and work outward.

Frequently asked questions

What does my child practise?: Logical reasoning: using constraints to work out what fits where.
Is there a time limit?: No — the puzzle waits for every move.