List of Pc peripherals and pc related electronics to add to your already complete build?

So i got my tax return, just wondering what could i add to my Electronic set up to complete the test? I have my main rig, 4070 and 14th gen intel, 4k 50 inch LG tv, side rig rtx 3050 and 10th gen intel for music audio production, already have a gaming chair as well, but what are some other cool electronics to add to my set up? I dont have a console at all, what would you upgrade price is not a problem for what ever it is? thanks