Using science, smarts, and a whole lot of duct tape, third-grader Violet built her very own time machine. Then she accidentally got most of her class lost in time Join Violet and her Maple Room friends as they embark on an epic adventure across time and space to save their classmates. Armed only with history books, the children battle hungry dinosaurs, ancient Chinese invaders, and haunted Egyptian tombs - all before their teacher returns and finds...