You can do your part to prevent landfills from overflowing by using this special toothbrush. When the bristles wear out, simply throw away the top part and put a new one onto the permanent green (get it?) plastic handle. Link
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.










