Modular Robotics Cubelets Twelve Robot Blocks Cubelets are a fast and easy way to inspire kids to become better thinkers Includes two each of the Drive and Distance blocks and one each of Rotate, Flashlight, Brightness, Blocker, Inverse, Passive, Bluetooth, and Battery blocks Two Brick Adapters allow for connection to your favorite brick-based construction kits Battery Cubelet provides hours of continuous play. Micro-USB charging cable included. Classroom-ready lesson plans, activities, and robot recipes to get started available online!