how to make rear or front pumper???

I want make rear and front pumper but i dont know the material name,but i know that the material color is white.please tell mi this material name.

Styrene sheet maybe?

from evergreen maybe :)
http://www.hlj.com/scripts/hljlist.cgi?Maker1=EVG&Category=SupOt&Dis=2
for start but try to search a bit more

?

http://photos.thedieselstop.com/data/500/1191fire_truck_001-med.jpg

Please use the search function. We have had several topics similar to this in the recent months.