Abstract: The present application is generally directed to an arrangement of first and second articles of footwear which may be used in a system or method for teaching a user a plurality of individual units according to a predetermined order. The arrangement is configured to sense movement of the feet of a user and to provide one of the individual units in response to each movement sensed of the first and second foot of a user. In an exemplary form, the arrangement may provide to the user, in proper order, the letters of the alphabet as the user walks or moves while wearing the articles of footwear.