Stroller with multiple configurations

A stroller for carrying a child in a plurality of configurations, comprising:

• (a) a frame including a frame base defining forward and rearward portions and at least two side members attached at opposite sides of the frame base;
• (b) a plurality of wheels connected to the frame;
• (c) a lower support assembly supported by the frame base, the lower support assembly including a central support member and a platform;
• (d) a seat carried by the central support member generally above the platform at a crossbar, the seat including a base portion and a back portion and configured for selective rotation, relative to the frame base, about an axis of rotation generally perpendicular to an upper surface of the platform, wherein the seat is adapted to be selectively reconfigurable between a seated configuration and a standing configuration;
• and
• (e) a shock absorber for dampening motion of the seat relative to the platform;
• (f) wherein the frame base and central support member are foldable toward the side members to collapse the stroller;
• and
• (g) wherein:
• (i) in the seated configuration, the base portion is arranged in generally parallel relationship with the platform and the back portion is arranged to be generally upright;
• and
• (ii) in the standing configuration, the base portion is pivoted downward to permit a child to stand on the upper surface of the platform.