I can see a very cute animation here. Each robot doing what it can to make sure its plant survives. Too many ideas to share here.
I chose this image because it showed a character with a similar colour scheme and cuteness appeal as the technician, but the character is more humanoid than the technician will be.
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concept robots via PinCG.com
Cute robot concept by XeroHaggard
ArtStation - Eddie , Paul Braddock More
The Gorgon, Will JinHo Bik on ArtStation at https://www.artstation.com/artwork/A6KGV
The Orange Robot by Riccardo Zema, via Behance
unique robot design