Its back to Su Doku this week. I've upgraded the easy version and added a new intermediate version. I'll be adding more difficult puzzles later on in the week. You can find

• In 5 to 7 years follow this link for a kids Sudoku 2 by 2 puzzle
• In 5 to 7 years follow this link for a second kids Sudoku 2 by 2 puzzle
• In 8 to 10 years follow this link for a kids Sudoku 3 by 2 puzzle
• In 8 to 10 years follow this link for a second kids Sudoku 3 by 2 puzzle
• In 8 to 10 years follow this link for a third kids Sudoku 3 by 2 puzzle (medium difficulty)

In common with all the puzzles since the start of the year, there are also printable (PDF) versions of all these. You'll find the links at the bottom of each puzzle page after the instructions. These printable puzzles are free to print for non-commercial personal, educational or charity use. Please email us using the contact form if you want to use them for any other reason.