What project should be done to consolidate skills?

Question

MongoDB

Good day!
Studied many different technologies, need to put them into practice:
html
css
JavaScript
react
react-router
redux
nodejs
express
mongodb

Answer 1

I would advise you to focus not on knowledge of technology, but on knowledge of the language and its subtleties, relegating technology to the background.
For such purposes, I can advise Codewars .

Answer 2

PvP Game Portal

Answer 3

toaster analogue

Answer 4

todo