Preschool age is critical for a child's development. The parents of competitive society today are challenged to meet learning needs of children. They are unable to dedicate time and are not up-to-date with change of technology. The need for easy to use and effective learning aids has become vital. This research investigates how to support self-learning of modern-day preschoolers. Kids Training e-Learning System (KTeLs) is a learning tool that facilitate self learning of preschool kids. It is based on a strong theoretical foundation and allows kids to develop cognitive and psychomotor skills such as drawing, writing, recognition of numbers, basic shapes and colors and logical thinking. It incorporates a special algorithm to detect and guide the kid to write a letter in the correct direction without guidance of parents. It comes with kids-friendly navigation. The tool was designed as an Android application for tablets and was tested with a focus group. The backgrounds, sounds and colors are especially designed to maintain the attention of kids.