The idea is to make a ball of beans at the end of a nylon leg, get paint on it, and smack it into the paper. When you first start out the beans are clean, but as you go along they start to pick up all the different colors and your splats start becoming more speckled rather than single colored.
The ‘yo-yo’ is pretty impossible to control, but I thought it was lots of fun. This activity might have been more popular with the moms than the kids. The kids enjoyed it, but they were done with it after an average of 1.5 paintings.