fish pond

noun, an attraction at a fair etc. where contestants use a rod and line to attempt to extract a prize or a token (often in the shape of a fish) representing a prize from a pool, enclosure, etc. (COD)

“What did they call it, the fish pond or something?”
“Yeah, the fish pond, yeah, where the kids would put a nickel on and ladies inside would take the nickel and hang some kind of a toy, Mickey Mouse, whatever.”
“You hung your pole over, and you come back with something.”