I would likely use repl.it or scrimba (one I linked).
For hardware stuff, there are guides and kits targetted at kids with graphics and stuff.
If you check raspberry Pi magazine or site, you will find many of them.
https://magpi.raspberrypi.org/
Example: https://aiyprojects.withgoogle.com/voice/
Which I think is easier to follow than purchasing individual items yourself.
Here's our Python Module 1 - https://projects.raspberrypi.org/en/codeclub/python-module-1
It uses the online Trinket as an IDE