You can use the for many things. Some people soak there feet in them, other people use then to hold water colorfully in vases or to grow plants in. Here are a few ideas http://precyanza.hubpages.com/hub/Fun-Uses-Of-Water-Beads enjoy :)
I love these!! I have some in a vase with a bamboo plant!! There also very good for seedlings ( started many spider plants with these!!) Great auction!! Fanned you