I made a marker with temp sensitive ink designed to tell you when your coffee is too hot and cooled down to a good drinking temperature!

Hi all!

My name is Jimmy, 24 year old entrepreneur from Los Angeles.

Made Ink N Drink after burning my tongue on coffee. 1 min video here.

Please let me know if you'd like a sample or have any interest in this product! Doing it as a side project so I'm working hard to spread the word!