They are present in levels such as
Apparently you can get invisiwall’d (?) off of them… (video from Mines)
Name
- at a glance, they don’t seem to be mentioned in the Croc 2 PC/PS1 manuals
- their “debug name” is
Guidable Platform (cave)(source) - Thermospore tends to call them “magic platforms”
- they are called “flying platforms” in a prima strategy guide (source)