yes, I understand, this is BLF after all
I did see this link for a copper worm, just fwiw, I have not tried it, or confirmed if they offer Nichia
https://www.amazon.com/Bazaar-Lumintop-Wateproof-Keychain-Flashlight/dp/B01MYQ3Y67/ref=olp_product_details?\_encoding=UTF8&me=
I have not heard of any 10 dollar Worms, I only know about fancy copper ones with Nichias.
I hope you find something that makes you smile… maybe check out the Sofirn AAA w Yuji