Answered: Vex plastic for mobile goals

I noticed that you could slide the mobile goals on the plastic poles in In the Zone. Are there any OTHER plastic parts for vex (NOT plexi-glass) that the goal could slide on.

The purpose of this Q&A is to answer questions regarding the rules of VRC In the Zone. For robot design advice, we would recommend re-posting this in one of the community channels, such as the general VRC In the Zone channel or the Technical Discussion channel. If this is intended to be a rules question, please feel free to clarify and re-submit.