Patent ID: 6171110
Filing Date: 2001-01-09
Classification: G09B

Abstract:
A teaching aid for developing a child's intelligence, said teaching aid comprising:a base having a pathway portion which is provided with a plurality of intersecting paths; anda plurality of sliding members, with each having thereon an alphabet symbol whereby said sliding members are selectively slid in said paths to locate at a predetermined position of said pathway portion of said base such that the alphabet symbol of the selectively-slid sliding members form a predetermined word;wherein said base has a base body; wherein said paths are intersected on said pathway portion whereby said paths are formed of slots, each of the slots having two extremities and a trunk portion, wherein said sliding members have a rectangular head, a rectangular body, and a rectangular neck connecting said head with said rectangular body, said head having a length and a width which are smaller than a distance between two adjoining slots, said neck having a length and a width which are smaller than the width of said extremities of said slots, said neck further having a height greater than the depth of said extremities of said slots, said rectangular body having a length and a width which are smaller than the width of said trunk portion of said slots, said sliding members being slidably disposed in said slots such that said rectangular body of said sliding members is received in said trunk portion of said slots, and that said neck is located at said extremities of said slots, and further that said head is exposed, and further that said sliding members are slid from one of said slots to another by pushing said head;wherein said base body has two first side walls which are contiguous to each other and are provided with two tenons, said base body further having two second side walls which are contiguous to each other and provided with two mortises; and wherein one of said slots is parallel to and most contiguous to one of said side walls and is separated from one side wall by a distance which is equal to a half of a distance between two adjoining slots.