UBTECH Jimu Robot BuilderBots Kit - Interactive STEM Robotics Set This interactive robot building system lets kids create either the GrabberBot or DigBot, or invent their own creations. The BuilderBots Kit includes over 250 parts, 4 robotic servo motors, an infrared sensor, and a programmable LED light. Children ages 8 and up can use the free Jimu app to access 3D, 360-degree building instructions and intuitive Blockly coding to program actions and reactions. Perfect for developing STEM skills in robotics, engineering, and logic through hands-on play. Brand new and factory sealed.