Sweetworks-Gumballs Jar. SweetWorks gumballs let you have candy- themed events that will be hard to forget! Make your upcoming event, holiday party or baking project a sweet success. Candy- coated gum filled balls are about 20mm in diameter. This package contains one 34oz jar of gumballs. Comes in a wide variety of colors. Each sold separately. May contain soy and milk. Made in a factory that does not process nuts. Gluten Free. Imported.