I think some simple items like phone casing, or even phones, gadgets, or some other newly created machines like 3D machines. Because I want to spend my bitcoin in gadgets, things, and game cards. I want to earn bitcoin just for my happiness. Because even though im already an adult, and also I need a stable day job, I still want to earn bitcoin because it satisfies my happiness. But I think, gadgets online is now available thru bitcoin these days.