Here take some of mine: Start playing with machine learning. https://developers.google.com/machine-learning/crash-course/ https://medium.com/deep-learning-turkey/google-colab-free-gp...

Make some fun IoT projects with a raspberry pi. https://pi-hole.net https://blog.adafruit.com/2018/07/13/how-to-make-a-raspberry...

Buy a cheap car with known (but not massive) problems and Learn how to fix them.

Read or watch Richard Fineman’s physics lectures. http://www.feynmanlectures.caltech.edu