I have been gifted a little plastic practice saxophone for my birthday It was on my lists. I did indeed want it, even if it won't please the neighbours.
Been wondering why I had to blow so damned hard to get such uncontrolled racket out of it.
The answer to that turns out to be that you're supposed to take the mouth-piece cover off and expose the reed.
Lesson #1: Remove the mouth-piece cover.
Getting a bit late for that now though. Daytime activity. For the sake of the neighbours.