Abstract: A method of teaching comprises successively presenting to a child a series of bags of different sizes, shapes, colors, materials, textures and fasteners for visual inspection and feeling. The fasteners of each bag are different and include grippers, snaps, clips, buckles, hooks and eyes, zippers, shoestring laces, buttons and loops, drawstring, button and button hole and Velcro. The bags are all made of different materials, including cotton cloth, flannel, plastics, abrasives, sponge rubber, elastic and others. Each bag has a panel of a shape, color and material different from the basic color and material of the bag. And each bag has applied to its back panel ornaments in groups from 1 to 10 of different shapes, sizes, color and material, and wherein the ornaments of each group are of uniform size, shape, color and material.