Lift device for toy track way

An endless toy track way, comprising:

• (a) a rail having a first end and a second end, the second end being elevated relative to the first end;
• (b) a moving body provided with a roller to roll on the rail via gravity and a pair of lateral projections;
• and
• (c) a lift device, including
• (i) a pair of parallel, spaced, fixed stairs,
• (ii) first and second, parallel vertically movable plates formed with engaging steps at one edge thereof and arranged longitudinally inside the pair of fixed stairs, and
• (iii) drive means operatively connected to the first and second vertically, movable plates, the drive means including a motor with a first shaft, a gear train operatively connected to the first shaft, a pair of second shafts connected to the gear train, a disk mounted at each end of each second shaft, and cam means operatively connected between the disks and the first and second movable plates,
• wherein, each of the first and second vertically, movable plates is moved in a circular path by the drive means to ascend and descend alternatively, and
• wherein the projections of the moving body are each alternately engaged with an engaging step of each of the first and second vertically movable plates so that the moving body is carried onto each succeeding stair of the fixed stairs, one projection after the other.