SIMPA Toddler Prosthetic Arm (IMAGE) University of Lincoln Caption The 3D-printed SIMPA prosthetic arm for toddlers is sensor-operated and designed specifically for children under two years of age. Credit University of Lincoln Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.