To view a better quality video and for more details, visit: www.danielbauen.com/pedalpoweredtennis Both cleanly powered and built from recycled bicycles our pedal powered tennis ball launcher is a unique innovate or die entry. It allows players varying in skill levels to practice to be better at both tennis and cycling. The launcher is towed to the court on its built-in bicycle trailer. A bike is secured to it and functions to drive the device. Pedaling the cycle as one would on a trainer …

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Pedal Powered Tennis Ball Launcher – Innovate or Die