The picture shows a view of all (3) 1960s Monster Character Head GumBallMachine Prize Toy Rings in this lot. These are pop on rings that were found in capsules of 1960s gumballmachines. There is a hole in the back of the head and a post on the ring. They are made of colored plastic. One is marbleized in a few colors. All three for one price! To judge the sizes the heads each measure 1'' tall. All of these are in mint as made condition as pictured.