Bittle X Robot Dog
High-performance, voice-controlled quadruped with optional robotic arm gripper.
ESP32VoiceGripper-Ready
Explore Bittle X 
Open-Source Quadruped Robotics
Programmable Robot Dog & Cat Kits for STEM
Build, code and explore AI with palm-sized bionic robots.
New · Desktop Robot Kit
Meet Quaddle, the Do-It-All Mini Robot Dog
Open-source, desk-sized and endlessly hackable.
AI & Research Platform
Built on OpenCat. Ready for AI.
Raspberry Pi, ESP32 and AI vision ready for labs and universities.
As featured in leading technology & education media
Robot Lineup
Open-Source Programmable Robot Pets for Classrooms, Labs & Makers
Every kit shares one open-source software ecosystem, so lesson plans, code and skills transfer across models as your program grows.
Nybble Q Robot Cat
Lifelike open-source coding robot cat for creative STEM projects.
ESP32AI VisionBionic Gaits
Explore Nybble 
Bittle Robot Dog
The original Arduino-compatible bionic robot dog loved by educators.
ArduinoNyBoardClassic
Explore Bittle 
Quaddle Desktop Robot
Compact, open-source mini robot dog built for desks and makerspaces.
DesktopOpen SourceDIY
View Lineup Why Legged Robots
From First Play to Published Research
Legged robots engage learners in a way wheeled kits cannot: every gait, pose and behavior is a visible result of their code.
Play & Code
Play with the App, Then Code New Tricks
Start with app and voice control for instant fun, then progress to writing original skills in the language that fits each learner.
- Block-based coding for beginners and younger students
- C++ and Python for advanced projects and research
- Skill Composer to design poses and gaits visually
STEM & Robotics Education
A Classroom-Proven Robotics Companion
The Bittle robot dog family supports K-12 schools and universities with ready-to-teach block-based and C++ curricula, so teachers can launch a robotics unit without building materials from scratch.
- Free, standards-friendly lesson plans and activities
- Pre-assembled or build-it-yourself kit options
- Durable hardware built for repeated classroom use
Robotics, IoT & AI
An Application & Research Platform on OpenCat
Built on OpenCat, the most-starred open-source quadruped robot platform on GitHub. Extend it with Raspberry Pi, AI vision, IoT sensors and custom firmware.
- Serial UART interface with open-source Python modules
- Works with Raspberry Pi, Jetson Nano and micro:bit
Higher Education
Advancing Robotics & AI Research
Universities use these compact quadrupeds to study locomotion, human-robot interaction and intelligent systems — with a fraction of the space, cost and setup time of full-size legged robots.
Explore OpenCat Real Projects
See What Educators & Makers Build
From robot dance routines to AI-powered obstacle avoidance, explore real builds from classrooms, labs and hobbyists worldwide.
Discover More#1Most-starred open-source quadruped on GitHub (OpenCat)
4.89/5Average rating across 85 Bittle X reviews
3Coding paths: Block, C++ & Python
2018Open-source robot pet lineage since
For Procurement Teams
Built for Schools, Universities & Distributors
What overseas buyers ask us first — answered up front, so you can evaluate fit before requesting a proposal.
Classroom Volume Orders
Kit configurations for class sets, labs and resellers, with guidance in the Educator Purchase Guide.
Free Curriculum
Block-based and C++ courses reduce teacher prep and speed up adoption.
Open Hardware & Software
Arduino and ESP32 controllers with open firmware — no vendor lock-in for your program.
Global Shipping & Support
International delivery, a 30-day returns policy and documented warranty terms.
| Specification | Bittle X | Nybble Q | Bittle (Classic) |
|---|---|---|---|
| Form factor | Palm-sized robot dog | Bionic robot cat | Palm-sized robot dog |
| Controller | ESP32-based BiBoard | ESP32-based BiBoard | Arduino-compatible NyBoard |
| Programming | Block-based, C++, Python | Block-based, C++, Python | Block-based, C++, Python |
| Connectivity | USB, Bluetooth, Wi-Fi | USB, Bluetooth, Wi-Fi | USB; Bluetooth/Wi-Fi via dongle |
| Voice control | Built in | Via module | Via module |
| Expansion | Robotic arm gripper, AI vision, sensors | AI vision, sensors | Sensors, Raspberry Pi |
| Best for | K-12, university labs, research | STEM clubs, makers, creative coding | Arduino learners, budget programs |
Specifications summarized for evaluation. Confirm final configuration on each product page or with our team before ordering.
In the News
As Seen on FOX Bay Area
Watch how a palm-sized programmable robot dog turns coding into something students can see, touch and play with.
"The organic nature of robots with legs is much more engaging than wheels." — Robotics STEM Camp educator, University of Colorado Boulder
More Robot Videos
Teaching Resources
Free Robotics Curriculum for Every Level
Structured learning paths that take students from drag-and-drop blocks to real embedded C++.
Beginner · K-8
Block-Based Coding Curriculum
Scratch-style lessons that teach sequencing, loops and sensors with a walking robot.
View curriculum Advanced · High School & CollegeC++ Quadruped Robotics Curriculum
Embedded programming, kinematics and gait design on real hardware.
View curriculum All LevelsSTEM Resource Library
Guides, worksheets and project ideas for teaching robotics and coding.
Browse resources Makers · Research3D-Printed Robot Dog & Cat
Community designs built on the open-source robotics system.
See projects Testimonials
Trusted by Educators, Researchers & Makers
Feedback from classrooms, university labs and the robotics community.
FAQ
Frequently Asked Questions
Technical and purchasing answers for educators, researchers and distributors.
Which sensors and modules can be added to the robots?
The robot dogs support add-on modules such as sound, light and touch sensors, an AI vision camera module, a voice command module and a robotic arm gripper extension. Common modules connect through standard 2.54 mm headers on the controller board.
What connection methods do the robots support?
The robots support wired serial connection through a USB programmer as well as wireless control over Bluetooth and Wi-Fi.
Do the robots support voice commands?
Bittle X has built-in voice command support. Other models can be programmed for voice recognition when equipped with a sound or voice command module.
Which single board computers are supported?
The quadruped robots communicate with Raspberry Pi, NVIDIA Jetson Nano and micro:bit through wired or wireless connections. Compact Raspberry Pi models such as the Pi 3A+ and Pi Zero can be mounted directly and communicate via serial UART with open-source Python modules. Jetson Nano is recommended for wireless connection only because of its size.
Which programming languages suit different age groups?
Block-based coding suits primary and middle school learners, while C++ and Python are used in high school, university courses and research projects. Free curricula are available for both block-based coding and C++.
How can schools and distributors place volume orders?
Review the Educator Purchase Guide, then email [email protected] with quantities, destination country and project requirements to receive a tailored proposal. Shipping and returns details are listed on our Shipping & Returns page.
Planning a Robotics Program or Distribution Partnership?
Tell us your student numbers, target market and timeline. Our team will recommend the right kit mix and curriculum path.
[email protected]