a bong is very different from a bubbler and hammer. while the hammer and bubbler are pipe shaped a bong usually looks something like this http://shop.grasscity.com/shop/grass...ml?id=Nqd2P9o3 or this http://shop.grasscity.com/shop/grasscity/GB14.html if ur lucky hammers look like this http://shop.grasscity.com/shop/grass...mersblack.html and cant all be used with water and bubblers are most often like this http://shop.grasscity.com/shop/grasscity/mjgcssbu5.html and are always used for water