Learning the Rules on Small Grids
On the first grid of a sheet, mark the neighbors of every star as soon as you place it; by the fourth grid, the habit is there. The small size makes each consequence easy to see.
A Puzzle for Children
Star battle uses no numbers, so children who can follow three rules can solve it. The Easy sheets of four small grids are the right start, and an adult can solve the first grid with them.
Four Grids for a Group
With four grids per page, one sheet gives a class or a family four puzzles of the same level, and printing the same sheet for everyone lets a group compare methods.