"switch tester" is the word you're looking for, i.e.: https://mechanicalkeyboards.com/shop/index.php?l=product_list&c=109 https://mechanicalkeyboards.com/shop/i

"switch tester" is the word you're looking for, i.e.: https://mechanicalkeyboards.com/shop/index.php?l=product_list&c=109 https://mechanicalkeyboards.com/shop/index.php?l=product_lis... (or even: https://www.thingiverse.com/thing:3143070 https://www.thingiverse.com/thing:3143070) it's just a frame, no electronics, that you can snap switches into and then mount a keycap onto them. you can get kits that comes with a handful of different switches + a handful of blank keycaps, or just the frame. switches can be purchased individually or in small batches for around $1/per (obviously varying by brand and retailer). you can see how it's a slippery slope from "let me try out a couple switches" to "wanna see my custom keyboard collection?".