One morning, Mrs. Bell, the science teacher, challenges the students to invent their own robots. The class builds their best creations and on presentation day, everything goes well...until all the robots start malfunctioning Now it's up to the DATA Set and their new classmate, Olive Thompson, to deprogram these machines before an army of robots take over the entire school

With easy-to-read language and illustrations on almost every page, The DATA Set chapter books are perfect for emerging readers.