Kathy Oxley, a Danville, Calif., mother of four, is the founder of Preschool Prep Company and the creator of DVDs that help children learn the alphabet, numbers, shapes, and colors. Oxley believes ...

When a child comes to the world, one of the first things he notices is bright colors. The shapes are probably the next thing he starts recognizing through his toys. The pre-schools and kindergartens ...