me and another kid on my team had made a roller in the back so that we wouldn't ride over a ball... i'll try to find a pic of it.
Found one...
http://websterschools.org/webpages/r...CIMG0407%2Ejpg
the time in the backround is in the morning of the ship day
there are a few other pics on the website too
www.gosparx.org