What is another name for the Polka Marina's ride type?
Polka Marina Polka Marina is a Merry-go-round in amusement park Efteling in the Netherlands. It started operating in 1984.
Shuttle roller coaster A shuttle roller coaster is any roller coaster that ultimately does not make a complete circuit, but rather reverses at some point throughout its course and traverses the same track backwards. These are sometimes referred to as boomerang roller coasters, due to the ubiquity of Vekoma's Boomerang coaster model.