The sphere utilized in the sport of Manac-Nebut was referred to as the Receptacle.
Within a section titled "Prospects," authored by Bob Carrau for the 1993 book Monsters and Aliens from George Lucas, the term Receptacle was used. This book is a compilation of concept artwork and images from different projects by George Lucas. Leland Chee, an employee of Lucasfilm who curates the Holocron continuity database, has stated that the details presented in this book are considered non-canonical.