Engage your students in active learning with the beneficial features of this Power Pen Lite. Pen is constructed for use with math and reading comprehension cards to build skills and reinforce lessons. With the easy-to-use design, children will simply select an answer and receive immediate feedback with an audio and visual response. Pen sends positive messages to correct answers and encourages redirection for wrong answers, keeping students motivated and on track. Power pen requires two AAA batteries (not included).Engage your students in active learning with the beneficial features of this Power Pen Lite. Pen is constructed for use with math and reading comprehension cards to build skills and reinforce lessons. With the easy-to-use design, children will simply select an answer and receive immediate feedback with an audio and visual response. Pen sends positive messages to correct answers and encourages redirection for wrong answers, keeping students motivated and on track. Power pen requires two AAA batteries (not included).