Let's Get Moving is perfect for elementary-aged children and supports the Common Core Learning Standards, Next Generation Science Standards, and the Science, Technology, Engineering, and Math (STEM) standards. Red Kangaroo is playing with her favorite ball---she throws it into the air and it comes back down. But what makes this happen? She knows that Dr. Chris will have the answer! Soon, Red Kangaroo learns about force, mass, and acceleration---and that Newton's Laws are at work anytime anything moves!