A toy vehicle may include a drive unit; a plurality of wheels; mechanical
linkage coupling the drive unit to one or more of the wheels to permit
energy stored in the drive unit to be discharged to drive the one or more
driven wheels and propel the vehicle; and a user operable selector
mechanism configured to permit a user of the toy to select, from a
plurality of different speeds, a desired speed at which the vehicle is
propelled when energy from the drive unit is discharged through the one
or more driven wheels.