Abstract: A conversion bicycle apparatus includes a chassis. The chassis includes a main tube. The chassis additionally includes a head tube. The chassis additionally includes a seat tube. The chassis additionally includes a rear fork. The rear fork includes a first fork arm and a second fork arm. The chassis additionally includes an attachment receiver. The attachment receiver is located proximate to a junction of at least the main tube and the rear fork. An attachment assembly is reversibly couplable to the attachment receiver via one or more protrusions and one or more corresponding apertures. The attachment assembly is additionally reversibly couplable to the attachment receiver via one or more fasteners.

Abstract: A conversion bicycle apparatus includes a chassis. The chassis includes a main tube. The chassis additionally includes a head tube. The chassis additionally includes a seat tube. The chassis additionally includes a rear fork. The rear fork includes a first fork arm and a second fork arm. The chassis additionally includes an attachment receiver. The attachment receiver is located proximate to a junction of at least the main tube and the rear fork. An attachment assembly is reversibly couplable to the attachment receiver via one or more protrusions and one or more corresponding apertures. The attachment assembly is additionally reversibly couplable to the attachment receiver via one or more fasteners.

Abstract: A balance bike brake is disclosed which may be affixed to a balance bike and provides a brake which may be operated by the rider's foot.

Abstract: A running bike with foot rests which comprises running bike having neither pedals or other drive mechanism is disclosed. The configuration of the running bike with foot rests includes having a horizontal rear fork and a pass through seat tube which allows for a minimum seat height significantly lower than a conventional running bike. The running bike of the instant invention also includes foot rests.

Abstract: Embodiments of a shopping cart extender are disclosed. The shopping cart extender may be affixed to the top front of a conventional shopping cart such that it may be engaged in a vertical position such that the top of the shopping cart extender is level with the top of the handle of the shopping cart. When the extender is in an upright position, it forms a securing surface which is level with the rear of the cart and has side holders such that materials may be securely carried on the top of the cart and not slide off. The shopping cart extender is rotatable such that it rotates back into the shopping cart and does not interfere when the shopping cart is nested with another shopping cart.