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 assembled kit is $299. The maker's own parts list totals $229.88 for a leader and a follower arm, not counting printing. Prices checked 7 Nov 2026.
Three ways to buy, three prices
| Option | Price | Stock |
|---|---|---|
| Servo kit (motors and boards, no printed frame) Seeed Studio · checked 7 Nov 2026 | $249.90 | in stock |
| 3D printed parts Seeed Studio · checked 7 Nov 2026 | $29.90 | in stock |
| Assembled kit Seeed Studio · checked 7 Nov 2026 | $299 | in stock |
What the maker's parts list says
The Robot Studio's bill of materials adds up to $229.88 for both arms (a leader you move by hand and a follower that copies it) and $121.94 for one follower arm. Hugging Face puts the non-printed parts near $130. BOM, checked 7 Nov 2026.
What is not in those numbers
BOM totals exclude 3D printing (or buying printed parts), shipping and import duties. The Seeed servo kit price does not include printed parts.
See the full SO-101 page for every seller, live stock and a price alert.
People also ask
Is the SO-101 sold as one complete kit?
Seeed lists the servo kit and the printed parts as separate products and an assembled kit as a third. See the table above for each price and stock.
Do I need a 3D printer?
Not if you buy the printed parts. The maker's files print on a 220 x 220 mm bed in PLA+ at 0.2 mm layers. Print files
Is the SO-101 open source?
Yes. The repository is Apache-2.0. source
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