Chess for Kids and Szachy dla dzieci have hundreds of diagrams made here.

Chess Diagram Editor with arrows, selected squares and text

Different chessboard dimensions for chess variants

x
or modify the URL, e.g. https://www.apronus.com/
chess/diagram/editor/?w=16&h=5.
position setupimage editordownload imageexport

Note that the Alpha font is free only for personal use.

Download Image: