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 early Plasticart Tu-104 set established a benchmark for all subsequent kits, though its scale of 1:100 was uncommon for aircraft models at the time, aligning closely with FROG models' 1:96 scale and matching contemporary East German TT trains like Berliner Bahn.