The nominal size ZZ belongs to the class of miniature gauges under the model railway nominal sizes (sub -Z - rated sizes). She was since its release in 2005 until the introduction of nominal size T in 2007, the smallest available nominal size in the model railway range, which is manufactured as standard. The standard gauge, with a model - 1435 mm case has a model track gauge of 4.8 mm and is colloquially referred to as trace ZZ. The scale is 1:300.
2005, the Japanese toy manufacturer Bandai presented this new development. So you replaced the Z scale by Marklin from the smallest standard model railway. Currently (2011) offered six different train sets. Sets are sold only with a train, a track oval and an additional building.
The tracks are made of plastic. The trains are powered by a button cell inside the head carriage about an axis with traction tires. On the roof there is a small switch.
There are three different Shinkansen trains, the Hikari, the Komachi and Tsubame offered. Next three locomotives, especially the N'EX the 253 series, the E231 Yamanotesen and the 485-300 Series.
Comparison of traces ZZ, T and TY
Four power cars of ZZ Train
An investment in 1/300 of a stand model