KAPPA Coloring & Activity Books-(Bug Time / First MNath / First Opposites)4 Book | eBay
Magazines - Games World of Puzzles - Malta Libraries - OverDrive
Kappa Puzzles - Not sure what is the difference between all of our Sudoku titles? Here is a handy chart so you know which one to try. https://kappapuzzles.com/sudoku/ | Facebook
Kappa Publishing
Puzzles Book KAPPA Sudoku Collection 2-titles - Etsy