I'd suggest start with something really small for programming. Like most of Scratch basic challenges. Also, for modeling, checking the 2 or 3 basic MCreator videos plus Blockbench tutorials is enough to start creating mods in Minecraft, something simple as adding a new mineral is a groundbreaking moment.
I asked for permission to share his website with his games https://emiliomg.xyz The cactus/dinosaur game is a perfect starter project that could be rough, but also you can conitnue adding game juice to the infinite.