This arm is small enough that it should be printable on most hobby 3D printers. Could be a cool project to do with kids.
http://www.instructables.com/id/3D-Printed-Arduino-Robot-Arm-LittleArm-2C/?ALLSTEPS
This arm is small enough that it should be printable on most hobby 3D printers. Could be a cool project to do with kids.
http://www.instructables.com/id/3D-Printed-Arduino-Robot-Arm-LittleArm-2C/?ALLSTEPS