Try some Earth Day themed Sudoku Picture Puzzles with those kiddos. These are perfect for the younger students or beginners to Sudoku. This resource includes 4 different Sudoku puzzles. Each puzzle has 4 x 4 grids in a larger puzzle. Students will be arranging pictures for these Sudoku puzzles and the theme is Earth Day. Each puzzle has a color version and black and white version to save on ink. Answer keys are also included.