the one on youtube is odd.
mythbusters found the solid one wasent strong enought to roll, yet they made it solid.
the people in the video might of made theirs hollow since where are you gonna get 1million bricks cheaply.
its a odd one, i think the youtube one was glued.
"some people are like slinkies there really good for nothing, but they still bring a smile to your face when you push them down a flight of stairs"
"Triangalism! What's the fuckin' point!"