We used card board pieces as canvas and lots of stuff from the house to use as stamps.
Ball paintings. you just dip the beeds in paint and let them roll around the box and walla, you have this cool painting.
This was my favorite touch... just write the kids name on the back and hang it out to dry.
I had my sister do face painting...
And according to Kroten, the party doesn't begin till you open presents.
I still cannot believe that he is three.