For younger children consider printing two copies of the Remembering Our September 11, 2001 Heroes puzzle, cut out one as separate puzzle pieces, and then let the younger children use the uncut picture as a base to match the pieces to make the puzzle. After they have finished the puzzle, help them use a glue stick to glue the puzzle together.
This is a smaller example of the Remembering Our September 11, 2001 Heroes Free Jigsaw Puzzle available on this page.