I threw one away just a few months ago. It was in my garage for years but I had not turned it on in many years. I have a cheap old laptop and a wi-fi connection to my home router so I just listen to Pandora and I don't have to do anything put press play. That old boom box would have been perfect. It played CDs and cassettes. I asked a lot of friends if they might one one and no one wanted it.
I put it on the curb in front of my office. That is a great spot to get rid of almost anything with any possible value.
I can understand your sons interest in classic rock, that is what I listen to.
I can't understand wanting to mess with a stupid cassette tape. They were better than 8 track (BTDT) but that is not saying much. I gave away my 8 track collection 20 years ago or so.