[CarRamrod]

>BPA in thermal paper was a concern of mine as well, but I thankfully found some BPA-free thermal paper on Amazon!

Cheers to that. A note about buying BPA-free thermal paper on the site might be nice, especially for those who plan to have children interact with your project.

[fmajid]

The EU banned BPA in receipt paper 5 years ago. French firm Exacompta makes good options in blue and standard white: https://www.exacompta.com/en/recherche?search=Thermal