Intro: mercury foam teardrop, how to build a foam teardrop trailer. rot proof, well insulated and super lightweight. in a way, teardrop campers are a great reminder. 14′ king billy motor dinghy reduced – now $2950 !!! here’s a chance to own a lovely traditionally built motor dinghy at a very good price. this vessel was built by. Small boat adventuring with teardrop trailers: for those of us who love the portability, practicality, affordability, and stylishness of little boats, we’d like you to….