tl;dr: Microduck is a 25cm open-source bipedal robot from Pollen Robotics, featuring 15 motors, a camera with LiDAR, and two IMUs, priced at $399 with pre-orders shipping before Christmas 2026. It ships with 7 pre-trained RL policies (walk, sit/stand, kick, grab, skate, get-up) trained in MuJoCo sim, and the full SDK and training stack are Apache-2.0 licensed on GitHub for users to retrain and deploy their own behaviors.