Recycle it! Certified e-recyclers adhere to sustainability policies and practices for managing electronics, including the reuse of materials, energy recovery and responsible disposal. You can find certified local e-recyclers here: https://www.google.com/maps/search/e-waste+recycling

You could also use it as  door stop.  Maybe raise up a monitor a couple inches.  White elephant gift?

Nice case, replace the innards with new ones and have a nice looking project. I’m doing that with my two ZP-80s, keeping the power supply too.