[1] https://snap.berkeley.edu/
[2] https://arcade.makecode.com/
[3] https://www.adafruit.com/product/3333
[4] https://makecode.adafruit.com/
Also check out this tiny old book suitable for a total noob to computers:
The Pattern on the Stone - The Simple Ideas that Make Computers Work by W. Daniel Hillis
https://www.amazon.com/Pattern-Stone-Computers-Science-Maste...