Using the MathBall, your classroom will never look like an 18th century lecture hall. Turn it on and Velocity, Trajectory, Parabola, Force, Radians, Speed, Distance, Sine and even probability will gain completely new meaning for your students. The kit includes: 32 lessons & Quizzes, 1 10.1 ” tablet, 2 Math Balls, 6 accessories and a One-year warranty