The early Plasticart Tu-104 set the standard for all the kits that followed. It was scaled at 1:100 which whilst not common for aircraft kits at the time, was close to FROG models' 1:96 scale and matched contemporary East German TT trains such as Berliner Bahn.
The Plasticart Tu-104 set, released early on, became a model for all subsequent kits. Its scale of 1:100 was unusual for aircraft models at the time but comparable to FROG models' 1:96 scale and matched contemporary East German TT trains like Berliner Bahn.