1966 OFFICIAL MARVEL SUPER HEROES GUMBALL RING. The rings are Mint, extremely Rare, released by Macman Enterprises, Inc. The rings feature a Full Figures of each character.Included in the complete set are the following. Be sure to add me to your favorites list. Check out my other items. The item "1966 OFFICIAL Marvel Super Heroes GUMBALL FLEXI RING SET Rare Macman SpiderMan" is in sale since Thursday, December 28, 2017. This item is in the category "Collectibles\Comics\Other Comic Collectibles". The seller is "masteraddams" and is located in Hatfield, Arkansas. This item can be shipped worldwide.