Press the magic BipPen on one of the dots to see and hear if you're right or not! Want instant-action fun at your fingertips? Just pick up a BipPen. Test your wits with the 100 questions in each of these quiz books. Press the BipPen to the black shape that's next to what you think is the right answer. A green flashing light and a "beep" and you're right -- but if you see red and hear an "errp, "keep trying. Whether you're alone or with friends, the magic BipQuizzes will keep you guessing for hours.