Kit
What to buy to start
Three things, and you probably own two of them already. The whole cost is usually just the cubes, roughly 220 zł a pair in Poland, because a power bank and a cable sit in most drawers.
Shopping list
Two cubes, two power banks and a cable
The links lead to the project's partner and the manufacturer. We sell nothing ourselves; you buy straight from them.
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CUBE × 2
M5Stack Unit C6L (SKU U202)
The very cube we test in-house: a factory enclosure, a small screen, two antenna sockets and both antennas in the box. A conversation needs two sides, so plan for two from the start.
Botland — Poland, 109 zł (19 Aug 2026) M5Stack — rest of the world
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POWER
A power bank with USB-C
One for each home — any you both own. The cube has no battery and lives as long as its power bank; the bigger, the longer. How many hours a given power bank delivers — we have not measured yet, so no number appears here.
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CABLE
A USB-C cable that carries data
For the first install and for power. Mind the charge-only cables: with one of those your computer will not see the cube at all.
Paid partnership · Botland is a project partner. You can buy the device anywhere; the system works the same.
We have not found a price comparison for this module outside Poland; check the M5Stack store and your local electronics shops.
Got everything?
The installer is the next step
Plug the cube into a computer with the cable and click — the system installs from this site, free.
Today this list leads to the partner's and the manufacturer's stores. If the community grows, we will come back to the question of a store of our own — exactly as recorded in the project model on the home page.