I’m kind of a food geek so I like stuff like this. It’s fun to grow them for ten days so that the crop is ready for, say, a Sunday brunch. Kids might like this too. Espresso Mushroom company grow your own pearl oyster mushrooms box £16.50p
Vintage Pyrex is now a collectors item. So look out for it at car boot sales and charity shops. Pyrexlove is a great site for identifying the patterns. If you can’t afford to spend much, then spend time looking for something cheap but unique.