I been thinking about this subject a lot since I made that initial video and I think I've come up with a solution that is free and far more easier to implement.
Original video:
• Making drills and exercises interesting
The worksheet
https://drive.google.com/file/d/1mI07...
The club I belong to, where you can join or make a donation on the "Club Info" tab.
https://wa3com.com/