Course and Project suggestion for node and react

[Dr_jack]

I want to build some advance project in mern stack, if you guys are aware of course that will help me in building that ,please let me know.

And please guys don't include course which teach e-commerce website building or Social Media or website which somehow related to payment and stuff because these are pretty common , every one is making these.
I already have done e-commerce using NODE,
I already have done e-commerce using React, GraphQL, Hook,Redux .
And made Social media too .
Really Need Suggestion ..

THANKS