Uses for a retired Z-Wave controller?

Configuration Z-Wave
1

I recently upgraded from a Zooz ZST10 700 USB stick to the ZWA-2. Is there anything interesting I can do with the old controller? Seems like a shame to just toss it.

2

I keep my extra zw for spare, and if I ever have a relative or friend that could use, or I win the lotto and get a boat or something.

But otherwise, I’d like to know of a good use for it too.