Pollen Robotics / Hugging Face Microduck (1)

Pollen Robotics / Hugging Face Microduck (2)

Pollen Robotics / Hugging Face Microduck (3)

$399pre-order; Dev pack $119, charger $39, accessories $39

Announced onlyRL walkingMuJoCo-native RLGets back upDesk-sized4–6 mo wait

Not releasedShipping: 4–6 months (new orders). Updated Sept 24, 2026. Pollen's store says demand outran production, so Christmas delivery is no longer promised for new orders. First ordered, first shipped; the current estimate is 4–6 months (~Feb–Mar 2027). Store ↗

Store ↗Product page ↗Launch blog ↗Runtime ↗RL training ↗

Overview

The closest match to "small, cheap, really balances, fits a MuJoCo workflow." It grew out of Open Duck Mini, and the full sim-to-real recipe (actuator models, domain randomization, backlash) is public. Seven trained behaviours ship with it, and new ones can be retrained on a local GPU. The catch is that demand swamped the first run, and new orders now wait 4–6 months. XL330 servos also make it toy-scale.

Still the best design here for $399, but no longer a quick buy. To avoid waiting until ~Feb–Mar 2027, build an Open Duck Mini now, which shares the same lineage and MuJoCo pipeline.

Specifications

Category	Bipeds · Open-source RL bipeds
Released	2026
Availability	Announced only
Programmability	Open source (hardware + software)
Best for	Ages 14+ (estimated)
Vision sensors	Camera, Depth camera
Actuators	Smart servos (Dynamixel, Feetech…)
Audio	Unknown
Compute type	Rockchip
Balance type	RL walking
Height	25 cm
Weight	< 800 g
Compute	Rockchip RK3566 (on-board 50 Hz policy loop)
Speed	0.4 m/s max commanded walk (training config; real top speed not published)
DOF	15 Dynamixel XL330 (legs, neck, head, beak)
Sensors	Camera, 8×8 ToF depth sensor, 2 IMUs
Balance	PPO policies trained in MuJoCo (mjlab / MuJoCo Warp) with random pushes, plus separate fall-recovery and stand-up policies shown working on the real robot.
SDK	Open source (Apache-2.0): microduck runtime (Rust daemons, gamepad) + microduck_rl (mjlab → ONNX → HF Hub); sim duck runs the real daemons in MuJoCo