Used for: Education Home & consumer Research
Petoi · Starting from $319 · Get a current price
Palm-sized open-source desktop quadruped for STEM education and hobby robotics. 9 servo joints, ESP32-based BiBoard controller, Bluetooth and WiFi, optional voice-command and camera modules, and an optional gripper arm (Bittle X+Arm). Sold as a construction kit or pre-assembled.
Checked 2026-10-17. Links are not published; we share them with clients.
| Variant | Status | Available | Current price |
|---|---|---|---|
| Bittle X V2 (lite servos) | available | — | $319 |
| Bittle X V2 (alloy servos) | available | — | $379 |
| Bittle X V2+Arm Weight: 0.353 kg · Hands: Robotic gripper arm (alloy servos required) |
available | — | $449 |
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| Price | Date | Variant | Source | Note |
|---|---|---|---|---|
| $319 | 2026-10-17 | Bittle X V2 (lite servos) | Petoi official store | Construction kit, lite (plastic-gear) servos, USD list; shipping and tax excluded. Pre-assembled $339 |
| $339 | 2026-10-17 | Bittle X V2 (lite servos) | Petoi official store | Pre-assembled, lite servos, USD list |
| $379 | 2026-10-17 | Bittle X V2 (alloy servos) | Petoi official store | Construction kit, alloy-gear servos, USD list; shipping and tax excluded. Pre-assembled $399 |
| $399 | 2026-10-17 | Bittle X V2 (alloy servos) | Petoi official store | Pre-assembled, alloy servos, USD list |
| $449 | 2026-10-17 | Bittle X V2+Arm | Petoi official store | Construction kit, alloy servos with gripper arm, USD list; shipping and tax excluded. Pre-assembled $469 |
| $469 | 2026-10-17 | Bittle X V2+Arm | Petoi official store | Pre-assembled, alloy servos with gripper arm, USD list |
quadruped walking, trotting
Arms: 0 DOF · Hands: Optional robotic gripper arm on the X+Arm package
education, STEM, hobby, research
OS: OpenCat firmware (ESP32) · SDK: ✓ · ROS: ✗ · Open source: ✓ · Languages: C++, Python, Block coding
Maker of open-source programmable desktop quadruped robots (Bittle dog, Nybble cat) and the OpenCat framework, aimed at STEM education and hobby robotics.
https://www.petoi.com · Founded: None · HQ: United States
Last updated: 2026-10-17 · Full dataset (CSV/JSON, CC BY 4.0)