Sudoku for Kids

Free, friendly Sudoku for kids — small 4×4 and 6×6 grids you fill with colorful shapes or numbers. Play right here, or print a sheet to solve with a pencil. No counting needed for the shape puzzles, so even pre-readers can join in.

Play online

Pick a shape (or number) below, then tap the squares to place it — each row, column and box needs one of every symbol. A wrong match turns pink so it is easy to fix, and the grid celebrates when it is complete.

Grid size Symbols Difficulty

Print puzzles to solve on paper

Prefer pencil and paper? Build a printable sheet below — choose the grid, shapes or numbers, how many puzzles, and your paper size, then print it or save it as a PDF (with an answer key on a separate page).

Grid size Symbols Difficulty Puzzles per page Pages Paper Include answer key

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How to use it

Choose the grid size, whether to use shapes or numbers, and how many puzzles you want, then press Print / Save as PDF. In the print dialog pick your printer, or choose "Save as PDF" to download a sheet for later. Only the puzzles print — the buttons and this text are left out automatically. Tap New puzzles for a fresh set any time.

Why Sudoku is great for kids

Sudoku is a gentle, screen-free way to build focus, pattern-spotting and simple logic. The 4×4 shape version asks only that each row, column and box holds four different shapes — no reading or counting — so it fits preschoolers and early learners. As children grow, move them up to 6×6 and then to numbers, a natural bridge to a full easy Sudoku and the classic board. Teachers can print a page of four for a quick warm-up; parents can pack a few for the car or a quiet afternoon.

Shapes or numbers — you choose

Switch between Shapes (circle, star, triangle, square, and more) and Numbers with one click. Shapes are printer-friendly too: each one has a different outline, so the puzzles still make sense in black and white. Add an answer key to check the work together, and pick Letter or A4 to match your printer.

Fair, one-answer puzzles

Every kids puzzle is generated with a single, guaranteed solution and checked before it prints, so there is always one right answer and never any guessing. That is the same promise behind every game on Sudoku AZ.

Frequently asked questions

What age is Sudoku for Kids for?

The 4×4 shape puzzles suit ages 4–6 who cannot read numbers yet; 6×6 and number mode work well for ages 6–8. Every puzzle has one clear solution.

Do the puzzles use pictures or numbers?

Both — choose Shapes for young children (fill each row, column and box with four different shapes) or Numbers for kids who are ready for digits.

Are the kids puzzles free to print?

Yes, completely free with no signup. Print on paper or use "Save as PDF" to keep a copy, and an answer key prints on a separate page.

How does shape Sudoku work?

Same rules as normal Sudoku: each row, each column and each small box must contain every shape exactly once — no counting needed, so it is perfect for beginners.