Answers for people buying a robot kit
Each answer uses the live price and stock we check every day.
How much does the SO-101 robot arm cost?
Seeed sells the SO-101 servo kit for $249.90 (in stock) and the 3D printed parts for $29.90, so one arm set is about $279.80 before shipping. An assem...
SO-100 vs SO-101: what changed?
The SO-101 is the newer arm: improved wiring, easier assembly with no gear removal, and updated leader-arm motors. The SO-100 docs are marked deprecat...
Where to buy an SO-101 kit that is in stock today
3 of 7 SO-101 listings we check are in stock today, from $249.90 at Seeed. Prices checked 7 Nov 2026....
Best robot kits for adults who want to build a real robot
Start with Reachy Mini if you want something working in an afternoon: $399 for the Lite kit, about 2 to 3 hours to assemble. Pick the SO-101 arm (from...
How much does a humanoid robot kit cost?
Open-source humanoids run from about $1,238 (RX1 parts list, with optional parts) to $20,000 (Asimov 1 DIY kit). Berkeley Humanoid Lite parts total $4...
Open-source robot arms you can 3D print
Three open-source arms you can print at home: SO-101 (print files from the maker, or buy the printed parts for $29.90), PAROL6 (6-axis, printed parts ...
Reachy Mini Lite vs Wireless: which one to buy?
Wireless ($499) has its own Raspberry Pi, Wi-Fi, a battery and an accelerometer. Lite ($399) runs from your Mac or Linux computer over USB and plugs i...
Open-source robot dog kits you can build
The Petoi Bittle X V2 construction kit is $319 and in stock at RobotShop, with MIT-licensed OpenCat software. Stanford Pupper v3 is about $2,000 to bu...
Which robot kits work with Hugging Face LeRobot?
The SO-101 arm was built for LeRobot by The Robot Studio and Hugging Face: Seeed sells the servo kit for $249.90 (in stock) and an assembled kit for $...