A series started with the "Lazer ZX", which became the basic model for the Optima series. It evolved from "Lazer ZX-R" to "Lazer ZX Sport," "Lazer ZX-RR, "Lazer ZX-S," "Lazer ZX-S Evolution" and later versions called the "Lazer Alpha" (starter car with many ABS parts), "Lazer 2000" (kelron parts). The body design for the Lazer ZX was rather unpopular from the start, and many users, including the Kyosho racing team, preferred to use the bodyset from the Turbo Optima Mid Special. The current model, "Lazer ZX-5" has a similar name, but bears a completely different design from its predecessors. It employs a shaft-driven 4WD system rather than the belt-driven system of its predecessors, a longitudinally mounted motor, and a new low-profile body. In 2011, June, there was available Kyosho ZX-5 FS2, and ZX-5 RTR.