This article provides an overview of KidTools, an electronic performance software system designed for elementary and middle school children to use independently on classroom or home computers. The software system contains 30 computerized research-based strategy tools that can be implemented in a classroom or home environment. Through the research-based intervention strategies and corresponding computerized templates in KidTools, children are given tools to help them gain control of problem behaviors. A brief description of the software, how to use it, resources available for teachers and parents, and two classroom examples are offered.