Murray was low end brand sold by Walmart and Kmart type stores until I guess sometime in the early 2000s. There isn’t much interest in the, especially if they are not rideable. Probably the best thing to do is just put it on a resale forum and say free bike for parts come and get it
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“One morning you wake up, the girl is gone, the bikes are gone, all that's left behind is a pair of old tires and a tube of tubular glue, all squeezed out"
Sugar "Kane" Kowalczyk