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Most candy machines, however, take the form of small machines offering 32 to 40 different selections. You can double up the selections for more popular items, devoting two or more slots for one product, if you want.
Almost all candy vending machines are of the see-through or glass-front variety. That way, consumers can see exactly what size candy they are getting. This is not the case for most soda machines, because most people already know that a standard can is twelve ounces.