What’s a “Junior” Gumball? Some people ask the question, “What is a Junior Gumball?” A Junior Gumball measures about ½ inch in diameter. They are the most common smaller sized vending gumball made for use in novelty gumball banks and dispensers , hence the name “ junior
Q. Hello, I am looking for ½” yellow gumballs. Can you help me with this? Thank you. A. At this time the gumball manufacturers only make ½” gumballs in an assorted color mix, of which yellow is included.