Carrier and stroller frame

A stroller comprising:

• a first side, a second side, an upper frame, a first side leg on the first side, a second side leg on the second side, a first side wheel operable connected to the first side leg at a first end of the first side leg, a second side wheel operably connected to the second side leg at a first end of the second side leg, a front frame, a front wheel support, at least one front wheel operably rotatably connected to the front wheel support, and a carrier receiver;
• the upper frame comprising a first side member pivotally connected to the first side leg at a second end of the first side leg opposite to the first end thereof, and a second side member pivotally connected to the second side leg at a second end of the second side leg opposite to the first end thereof, and a push bar connecting a first end of the first side member and a first end of the second side member;
• the front frame comprising a first side member comprising a first end releasably engaged with the second end of the first member of the upper frame through a first side releasable connection, a second side member comprising a first end releasably engaged with the second end of the second member of the upper frame through a second side releasable connection, wherein the first and second side member of the front frame converge toward each other to a bottom of the front frame and fixed to one another to form a rigid front frame;
• the front wheel support connected to the bottom of the front frame;
• and
• the carrier receiver pivotally connected proximal to the first end of the first side member of the front frame, the first end of the second side member of the front frame, the second end of the first side member of the upper frame, and the second end of the second side member of the upper frame.