Kids Sudoku
Play online or print — 4×4 and 6×6 grids with numbers, Check, and an answer key.
Puzzle settings
Grid size
Difficulty
Ready when you are
Pick a size and difficulty — then New puzzle to play or print.
Benefits of Free Kids Sudoku Online & Printable
Kids Sudoku builds logic with small grids, 4×4 (numbers 1–4) and 6×6 (numbers 1–6). Play online: tap a cell, pick a number, Check, or Reveal. Or print the puzzle with an answer key for quiet table time. Easy and medium clue levels for ages 5–9.
Recommended Age Groups
Ages 5–9. Start with 4×4 Easy; move to 6×6 Medium as confidence grows.
Free Printing & Download Tips
Print portrait A4. Given clues print on a light orange tint so kids know not to erase them. Page 2 is the answer key.
Right-sized grids
4×4 and 6×6 skip the overwhelm of classic 9×9 while teaching the same rules.
Play or print
Solve on screen with Check / Reveal, or print worksheets with answers.
Unique puzzles
Each New puzzle generates a fresh board with a single solution.
Frequently Asked Questions About Kids Sudoku
What sizes are included?
4×4 (numbers 1–4) and 6×6 (numbers 1–6).
Can kids play online?
Yes. Tap a cell, choose a number. for mistakes, or Reveal the answer key.
Can I print Sudoku worksheets?
Yes. Print opens the puzzle plus an answer key page.
Are the puzzles free?
Yes. Generate and print free kids Sudoku as often as you need.