News $3 keychain lets you carry a functioning keyboard switch and keycap with you wherever you go — fidget toy is compatible with Cherry MX switches and...

Unfortunately, delivery is currently limited to Japan. Therefore, you’ll need to use a shipping forwarder or travel to Japan yourself if you wish to obtain it.
I am very sure you can find it on amazon if you look hard enough.

i can get one, not including shipping taxes or whatever other costs, for $0.20 on aliexpress
https://www.aliexpress.com/item/1005008910163243.html
you can even buy more for wholesale pricing.

heck they even have backlit versions that are cheaper than the japanese one that is probably dropshipping the exact same thing as the above aliexpress link.

seriously Tom, is this what you want us to pay you for?
 
I am very sure you can find it on amazon if you look hard enough.
Search for "keycap keychain" and this style is the four of the first five results.

These are certainly neat, and I hadn't seen a clear acrylic version before... but I've had an opaque-base set that was 3D printed sitting on my desk for YEARS, so it's not exactly a new concept.
seriously Tom, is this what you want us to pay you for?
I know that sometimes it's a slow news day, and I don't wanna be completely dismissive of "Hey, look at this cool thing I found that you may not know about" because sometimes the thing is neat and I really was out of the loop on it... but this does feel like management is issuing conflicting directives and the writers are caught in the middle. They want to have a more serious, more professional, premium-priced subscription service... but also want to hit an article quota on the free side, and make sure it links to a "Best of ___" article with affiliate links.