Make a wind chime out of old keys and acrylic paint. - This site has lots of cheap outdoor/backyard ideas. I can't use most because I live in an apartment - but I love the old key to windchime and spray painted folding chairs.
basket weaving with newspaper.looks like fun, except I have more boxes of basket weaving supplies than old newspapers! Wouldn't make sense to buy the Sunday NY Times just to make a basket,,,or would it?