The Hand Robonoid is a small, green robot that resembles a Flask Robonoid, although with no insertion holes for the noticeably slimmer legs. Like all other Robonoids, its legs are not directly connected to the Robonoid but are suspended out from its body by unknown means.
The Hand Robonoid is used to activate the control pedestal in the Prime Kindergarten Control Room, and also allowed Peridot to control the room remotely from Homeworld. Hand Robonoids are dispensed from their larger models, the Plug Robonoids, and seemed to be capable of climbing walls.
- When landing on the pedestal, it formed a hand shape- using its legs as fingers and its body as the palm.
- The Hand Robonoid did not extend its legs, though they appear extendable (as seen with Flask Robonoids).
- After the events of "Marble Madness", the Hand Robonoid is no longer present in the Prime Kindergarten Control Room.