If you have a pilot friend then during xmas Xmas, then folks at The Point Guy so if you want to get them something amazing.
The two coolest things are a desk made out of a wing if you happen to have a cool $2.5k handy. Or wander over to Etsy and find a restore airline galley cart. Expensive but cool for $800. Perfect to put your cool stuff in your garage.
For more ordinary mortals there is another great list: