A ridable kart can have a body that supports a front wheel and movable rear wheels. The kart can include a motor that supports and drives the rear wheels. The motor and rear wheels are configured to tilt and rotate relative to the body of the kart. The body of the kart includes a concave space in which the front and rear wheels are positioned so that they are at least partially concealed by the body when viewed from the side of the kart.

A ridable kart can have a body that supports a front wheel and movable rear wheels. The kart can include a motor that supports and drives the rear wheels. The motor and rear wheels are configured to tilt and rotate relative to the body of the kart. The body of the kart includes a concave space in which the front and rear wheels are positioned so that they are at least partially concealed by the body when viewed from the side of the kart.

A portable power generation system includes a power generation unit and a monitoring unit. The power generation unit is detachable from the wheeled occupant apparatus and includes a pivoting arm, a rotating gear, and a control unit. The rotating gear is in communication with the wheeled occupant apparatus and is configured to rotate upon movement of the wheeled occupant apparatus, such that rotation of the rotating gear induces an electrical power generation effect. The control unit is in communication with the rotating gear through the pivoting arm and regulates the storage and transmission of electrical power. The monitoring unit is in electrical communication with the power generation unit and dispenses electrical power and provides user data to a user.

A portable power generation system includes a power generation unit and a monitoring unit. The power generation unit is detachable from the wheeled occupant apparatus and includes a pivoting arm, a rotating gear, and a control unit. The rotating gear is in communication with the wheeled occupant apparatus and is configured to rotate upon movement of the wheeled occupant apparatus, such that rotation of the rotating gear induces an electrical power generation effect. The control unit is in communication with the rotating gear through the pivoting arm and regulates the storage and transmission of electrical power. The monitoring unit is in electrical communication with the power generation unit and dispenses electrical power and provides user data to a user.

Maneuverable strollers are disclosed. An example method for manufacturing a stroller includes mounting a front wheel to a frame; mounting a rear wheel and an intermediate wheel to a connector; and mounting the connector to the frame at a pivot axis such that the intermediate wheel is located between the front wheel and the rear wheel and the pivot axis is located between the rear wheel and the intermediate wheel.

Maneuverable strollers are disclosed. An example method for manufacturing a stroller includes mounting a front wheel to a frame; mounting a rear wheel and an intermediate wheel to a connector; and mounting the connector to the frame at a pivot axis such that the intermediate wheel is located between the front wheel and the rear wheel and the pivot axis is located between the rear wheel and the intermediate wheel.

A ridable kart can have a body that supports a front wheel and movable rear wheels. The kart can include a motor that supports and drives the rear wheels. The motor and rear wheels are configured to tilt and rotate relative to the body of the kart. The body of the kart includes a concave space in which the front and rear wheels are positioned so that they are at least partially concealed by the body when viewed from the side of the kart.

A ridable kart can have a body that supports a front wheel and movable rear wheels. The kart can include a motor that supports and drives the rear wheels. The motor and rear wheels are configured to tilt and rotate relative to the body of the kart. The body of the kart includes a concave space in which the front and rear wheels are positioned so that they are at least partially concealed by the body when viewed from the side of the kart.

A child stroller apparatus includes a rear and a front leg frame respectively having a first and a second side segment, and a handle frame having a grip portion and a third side segment that are respectively connected fixedly with a first and a second joining part pivotally connected with each other, the second and third side segments being respectively connected pivotally with the first side segment. A latch is disposed between the first and second joining parts, and can lock the grip portion in an unfolded position relative to the third side segment. A cable has two opposite ends respectively anchored with the grip portion and the third side segment, wraps around a prominent portion provided on one of the first and second joining parts, and is tensioned to bias the grip portion to fold toward the third side segment.

A cross-over stroller kit is provided. The kit has a main frame assembly to receive at least one child seat assembly. The main frame assembly has a rear wheelbase and an upper attachment feature adapted to receive a lower attachment feature provided on first and second front-end frame assemblies. The first front-end frame assembly has two front wheels and the lower attachment feature adapted to mate with the upper attachment feature to define a city-mode stroller having four wheels. The second front-end frame assembly has a single front wheel and a second lower attachment feature adapted to mate with the upper attachment feature to define a sport-mode stroller having three wheels.