Fourth of July Crafts for Kids: Flour Lawn Stars. Cut out star stencil, sprinkle grass with water (to make the flour stick) and then sprinkle with flour. This idea also works for Canada's July Birthday. Just substitute the star for a Maple Leaf.
This site has TONS of free patterns and tutorials for baby, kids, adults, and home decor. And some very tasty looking recipes. I kept pinning all of her tutorials, and I decided it was quicker to just pin the page