Once I got very ambitious and hot glued clear round balls (marble size) to a gazing ball outside. Needless to say, I am still finding those little balls in my garden bed where I had it placed. Who knew that when it rained they would all fall off.
Here is another link for the lady bug bowling balls
http://www.associatedcontent.c....
And if you scroll down on this link, she tells all about adhesives for the mosiacs.
http://www.the-artistic-garden... It seems like Liquid Nails and Rhino are at the top of the list.
Moving on from the bowling balls, Becky, would flower or succulent balls be another choice?
http://www.topiaryartworks.com...