Response- prompting strategies are the methods which are used for education of children with special needs. Since the rate of finding the correct response is higher in these methods, children participate more motivated in education studies. Also simultaneous prompting, which is one of these methods is used in acquiring many skills such as concept education, mathematics and self-care skills to children with mentally disabled children, autism and other children with special needs. These methods can be used in both individual and group training order. Also in this book simultaneous method is used to teach color concept to the mentally disabled children. The study and the results are presented. We wish it will be useful for anyone who reads this book.