FassionPruitIt depends how you build it.
If you just snap in the switches, then yes they can be removed easily.
It comes with an optional center piece which makes it stronger but the switches more difficult to remove.
Finally you can add a drop of glue to the center piece at which point you can't remove them.
You are correct, the switches cannot be removed from the pre-assembled models.
There is an assembly guide with more info here https://www.clickeybits.com/assembling-yourself