Adeept 5-Dof Robot Toys Arm Kit 5Axis Robotic Compatible With Arduino Ide Programmable Diy Coding Stem Robotis With Oled Display Processing Code And Pdf Tutorials For Adults Kids Gift Ages 16+ - BlueImportant Tips: 1. This robotic arm kit is loose pieces, you need to assemble it yourself; 2. Batteries NOT included, you need to buy 2x18650 battery by yourself. You can also supply power directly through the Micro USB interface without using batteries. Compatibility: The Main Controller Adeept Robotic Arm Driver Board is developed based on ATMEGA328P and it is fully compatible with Arduino IDE. You should select the board model as (Arduino UNO R3)