Bittle Robotic Arm Gripper Extension Kit with Alloy ServosBittle Robotic Arm Gripper The Arm Extension Kit adds a programmable robotic gripper with 2 degrees of freedom to any Bittle running with metal servos. The robotic arm gripper can perform more complex skills, such as grabbing objects for display or moving them to different places. It comes with 8 built in skills. It supports block based coding, Python, and C++. You can design more skills by programming and using Petoi Skill Composer. Please check the