https://www.freepik.com/premium-vector/sudoku-kids-fairytale-theme-education-developing-worksheet_18293283.htm#from_view=detail_alsolike#position=1
https://www.freepik.com/premium-vector/sudoku-kids-education-developing-worksheet-activity-page-with-pictures-puzzle-game-children_28767833.htm#from_view=detail_alsolike
https://www.freepik.com/premium-vector/sudoku-kids-education-developing-worksheet_10504184.htm#from_view=detail_alsolike
Більше зображень тут:
https://www.freepik.com/search?format=search&query=sudoku%20for%20kids
