Here is a goal: What can be used to seal the gumball machine tightly so that no water escapes at all while make a gumball/fish tank?

Which way makes more sense to accomplish this goal?

Choose from: (1). Silicone from a hardware store can be used to adequately seal the globe portion of the gumball machine turning it into a unique gumball/fish tank and prevent water from escaping.. (2). Any type of craft glue can be used to adequately seal the globe portion of the gumball machine turning it into a unique gumball/fish tank and prevent water from escaping..
(1).