





~$4,300 DIY BOMno kit or built unit sold; $3,236 with China-sourced parts
AvailableRL walkingNot smallDIY actuatorsIsaac Lab + MuJoCoNo kit
Weeks+Shipping: 4–8 wks DIY (est.). No kit sold. BLDC motors, ESCs and bearings mostly from China (~2–3 weeks), then heavy printing and building 22 actuators. Docs ↗
Overview
Kid-sized and heavy enough to hurt itself, or its owner, when it falls. The interesting part is the printable cycloidal actuator, which is reusable elsewhere. Pick it only to learn actuator building and have $4k+ and a printer farm.
Specifications
| Category | Bipeds · Open-source RL bipeds |
|---|---|
| Released | 2025 |
| Availability | Available |
| Programmability | Open source (hardware + software) |
| Best for | Professionals & labs |
| Vision sensors | No vision sensors |
| Actuators | Brushless / direct-drive motors |
| Audio | No audio |
| Compute type | x86 PC (Intel / AMD) |
| Balance type | RL walking |
| Height | 80 cm |
| Weight | 16 kg |
| Compute | Intel N95 mini PC |
| Speed | Not published (~0.5 m/s est.) |
| DOF | 22 BLDC with 3D-printed cycloidal gearboxes (CAN, 250 Hz) |
| Sensors | BNO085 IMU |
| Balance | RL locomotion trained in Isaac Lab with MuJoCo sim-to-sim checks, zero-shot transfer; push recovery not documented. |
| SDK | Berkeley-Humanoid-Lite repo (Isaac Lab tasks, MuJoCo sim2sim, CAN firmware), GitBook docs |
Ratings & reviews
Ratings and reviews load on the live site.
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