Our robot Manatee is built to fit a frame that can easily be put on and taken off with many attachments on each frame.
Each Frame
Elevator Lift Attachment
This attachment goes up and down and uses prongs to lift things. It is also used as a push-pull and was used in these missions:
Water Tower
Oil Platform
Energy Storage
Hydro-Electric Dam
Smart Grid
The Dropper
This attachment drops things, was used to collect energy capsules and was used in these missions:
Toy Factory
Rechargeable Battery
The Collector
This attachment collects things like energy capsules and loose items, and was used in all the missions with energy capsules.