From Creatures Wikia
The Inventory is an ingame tool in Creatures 3 and Docking Station designed to hold various agents that you may want to keep nearby for easy access. It consists of the third panel down on the right side of the C3 and DS interface, just below the options panel.
Norns and other Creatures can not be placed directly inside the Inventory by the Hand, but pressing Ctrl and the left or right keyboard arrows will put the Creature into the Inventory and rotate the next agent into the Hand. Note, though, that placing too many Creatures into the Inventory may cause deletion of said Creatures...
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