Description: Robotic arm kit without servo motors. Most parts are integratedly punch-formed at one time,which is very strong and easy to install. With screw for easy assembly. Great for learning robotics, electronics, graphical programming, Arduino programming and Python programming. Specification: Material: plastic + electronic components Package Size: 26 x 9.5 x 18cm/10 x 3.7 x 7inch Package Includes: 1 Set of Diy Robot Arm Kit (without Servo)