You can find a link to s step-by-step unit plan for the easy level part here:
https://v.gd/NoltAr

(Please note that this project is under permanent updating, so new ideas and tips might be added)

Unter die Water related games

You can see the games directly on Scratch:

https://scratch.mit.edu/projects/176792339

(Please note that this project is under permanent updating)

