The creation of a computer-aided instruction for the Preschoolers of Liceo de Cagayan University specifically called Interactive Courseware for Preschoolers is the substance of this paper. It enhances the traditional way of teacher’s instructional strategies to encourage the pupils’ interests in learning with the computer environment that is creative enough to please them. This software serves as an alternative way in learning. The Interactive Courseware for Preschoolers is a type of computer-based instruction with its text and animations in a graphical form for the preschoolers to learn interactively with the lessons that are presented with facts and able to have a recap on what they have just learned by taking the interactive quizzes. This can provide the pupils with a more flexible, creative and entertaining environment for their learning experiences with the implementation of a Visual basic format and Macromedia Flash.