Realistic robot dog construction kit for with lots of fun plays: Bittle is the world's first palm-sized, servo-activated bionic robotic dog with 1 hour of playtime. Have your very own programmable robot pet navigate with life-like movements powered by high-performance metal servo motors and perform tricks with the remote control or the mobile app.Build your own legged robot: an excellent and challenging hands-on learning opportunity to assemble your own robot with 3D puzzle parts.Coding / STEAM / STEM / Robotics Learning: build and program your legged Bittle to perform new skills and tricks. Begin with Scratch-like block-based coding, advance with Arduino IDE and C++/Python, and easily design new robot skills with Petoi Desktop App. Develop your moto, physics, engineering skills & problem-solving abilities.Program AI tasks: program quadruped Bittle to see, listen, sense the surrounding environment and navigate the world with the optional intelligent camera module or other Arduino/Raspberry Pi compatible sensors.Open Source robot dog: Bittle operates on OpenCat, an open-source quadruped robot platform that fuses multiple gadgets into one organic system, offering endless programming and customization possibilities.High-performance metal servo motors to power joint movements.Experience with coding is required. You will need to use Arduino IDE, Petoi Desktop app to upload firmware and configure Bittle. We offer support via Petoi.camp forum or our support email in case you run into any problems.Suitable for adults and children 14 years old & up. Perfect gift to adults, kids learning STEM, programmers, engineers & geeks. 100% Satisfaction guaranteed.