Abstract: Stainless steel sheets are plated with zinc and further phosphated so as to have chromaticness indices of L=45-53, a=0.0-0.4 and b=1.3-4.4. Thus treated stainless steel sheets have sufficient strength, excellent corrosion resistance and a color well harmonizing with other building materials and environment and do not suffer from color change for a prolonged period of time.

Abstract: A two-wheel toy vehicle, having a body, preferably, in the replica of a motorcycle, and an inertia energy flywheel and transmission gear mechanism for driving the vehicle (through the rear wheel) in a forward movement in both a one-wheel upwardly-extended position and a two-wheel position along the running surface. A shock-absorbing device is formed as part of the transmission gear mechanism for absorbing sudden shock forces between the flywheel and the rear wheel driven by the flywheel. In addition, the front wheel is rotatably mounted to the vehicle and in a manner for lateral movement. However, a device is formed on the front portion of the toy vehicle to limit the lateral movement of the front wheel to ensure that the vehicle is balanced and maintained in its one-wheel upwardly-extended position and when it falls from this one-wheel position to its two-wheel position along the running surface.