"Bold the ones you have and use at least once a year, italicize the ones you have and don't use, strike through the ones you have had but got rid of. And (my suggestion) add any items that you have that aren't on the list":
pasta machines, breadmakers, juicers, blenders, deep fat fryers, egg boilers, melon ballers, sandwich makers, pastry brushes, cheese knives, electric woks, miniature salad spinners, griddle pans, jam funnels, meat thermometers, filleting knives, egg poachers, cake stands,
I don’t seem to be wasting much cupboard space on unused gadgets. This is the result of moving house and having a very small kitchen. I couldn’t do without my Kenwood mixer (over thirty years old), and who doesn’t have a tea strainer? Make real tea, people!