Bubble Baba Challenge inflatable doll rafting down the wildwater of Vuoksa river. The competition now takes place annualy outside the village of Losevo, about 110km from St Petersburg. The idea of floating down the river in the embraces of a rubber woman was conceived as a joke at a party where the men gathered for the party got seriously drunk because their women didn`t show up, says the organiser of annual Bubble Baba Challenge (in Russian, `Baba` stands for `woman`) doll rafting Dmitry Bulavinov. So russians found another uses for inflatable sex doll, suggesting it would be a good flotation device as well as a good thing for getting moral and physical satisfaction through funny rafting down river`s wildwater. Bubble Baba Challenge fun swimming competition between men near St.Petersburg. During this competition men are floating down the river with inflatable sex doll in order to come first to the finish to be the winner of this funny competition.