I have no Idea where to put this question so... yeah. Anyways this is something I need to know. What are those props called that they use in movies where they're able to break through walls? Where can I get one or learn how to make one?CLUELESS!

Confused? Look at this video at the time about 00:24 to 00:28.
YouTube - The Making of Charmed (Part 2) [from the DVD]
Do you see how they are flying through the bannisters and stuff. That's what I mean.

And I already know how to make the fake glass so...yeah.