Recently, I purchased some inexpensive corkboards and pushpins for the girls to play with. Since pushpins (or thumbtacks) are sharp and a major choking hazard, I introduced this as a very special activity for "big kids only", supervised the whole time, and made sure we stayed in one place and put every pin back in the box when we were done. It was a fun, inexpensive activity in creativity and fine-motor skills...