Good option.
As with all things, YMMV. If it works better with a 12' section, do a 12' section. If 8', do 8'. What you mainly want is a stable footing. If you had a 4' section, that could be the middle of a pace for someone, where they step onto it with one foot, and off of it with the other, where they only have the one foot making contact, which would create that potential for slipping and falling. It doesn't have to move too much. Just a few inches in any given direction is more than enough.
It would be great to have a thread or even a subforum dedicated to funhouse effects. Again, usually cheap or free, since the cost is absorbed by the base cost of building the haunt in the first place.
C.





