Question: What can be used to seal the gumball machine tightly so that no water escapes at all while make a gumball/fish tank?
Options:
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.
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.
Answer: 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.