As a parent I have done this - but at home, on carpet, and in a manner to make reaching the goal fun or otherwise redirecting.
I would not accept this from an educator, especially as a means of mere control or discipline.

That has nothing to do with features most likely. It is simply the fact that there are few OEM approved makers for each part, and that usually if they are selling one it's because it is required - not because it is hard or expensive to replace.

The whole deference to the president thing didn't stand out before now.

Ecco the Dolphin.