Fabric scrap matching game - Do it the fastest way, zig-zag applique all the "matches" to the solid before cutting, then zig-zag around them onto the background in a grid, leaving space between for more cutting. Cut with pinking shears.
This link has some of the best ideas for a boys quiet book that I have seen anywhere. I love the boy costumes and the dump trunk. Will definitely use these ideas if I get a chance to make a boys quiet book.