Quark's shuttle, a gift from his cousin Gaila, which threw Quark, Rom and Nog back in time to Roswell in 1947.
Quark's Treasure was a Ferengi shuttle given to Quark in 2372 by his cousin Gaila, who had promised him a ship for years. It was larger than an ordinary shuttlepod, with room for passengers and cargo.
In Little Green Men, Quark took it on its first voyage, carrying Rom and Nog to Earth so that Nog could enter Starfleet Academy, along with a smuggled load of kemocite. A warp fault and the kemocite threw the shuttle back to 1947, where it crashed near Roswell, New Mexico. Rom brought them home, but the damaged craft had to be sold for salvage.