This is an Eloton Simcycle. Belonged to my dad so I don't know much about it. Not much info about it online. It is a exercise device meant to be used while you sit in a chair, like just the pedal part of a bike. I think it can also be hooked into a PC to play games but I'm not sure. if you are familiar with this device you will know what it can do. The tension is adjustable. It comes with 4 sealed VHS tapes that appear to be workout sessions to be used with the cycle, I assume just playing them while you pedal, but I'm not certain. This seems to be a very rare item so great to collector or tinkerer. I could not find it for sale on any sites. There are some cracks on it but I doubt it will interfere with function as it's not meant to support bodyweight.
