Baby stroller

A baby stroller frame, comprising:

• a longitudinal center axis plane;
• a front wheel support frame, wherein the front wheel support frame is not symmetrical about the longitudinal center axis plane;
• and
• a rear wheel support frame, comprising;
• a left rear wheel;
• a right rear wheel;
• a left rear wheel support, wherein the left rear wheel is rotatably connected to the left rear wheel support;
• a right rear wheel support, wherein the right rear wheel is rotatably connected to the right rear wheel support, wherein the rear wheel support frame is not symmetrical about the longitudinal center axis plane.

A double stroller, comprising:

• a first stroller, comprising:
• a first left rear wheel having a first rotational axis;
• a first right rear wheel having a second rotational axis;
• and
• a first space defined between the first left rear wheel and the first right rear wheel;
• a second stroller reversibly connected to the first stroller, comprising:
• a second left rear wheel having a third rotational axis;
• a second right rear wheel having a fourth rotational axis;
• and
• a second space defined between the second left rear wheel and the second right rear wheel;
• wherein the first left rear wheel is reversibly connected to the second right rear wheel and, when connected, the first left rear wheel is in the second space defined between the second left rear wheel and the second right rear wheel and the second right rear wheel is in the first space defined between the first left rear wheel and the first right rear wheel.