These punch balls can attach to any surface to give you instant stress relief right at your fingertips. The durable spring bounces the punching ball back every time you hit it so that you can keep going until you're calm. No matter how long you need to vent, this ball punch toy can take the heat over and over Kill daily life stress at home or work tension at the job with these stress reliever toys This desktop punching ball comes with an air pump to ensure that the ball is always inflated and ready for action. Suitable for children age 3+.