An extra item or part kept in reserve for replacement when needed.
ReserveBackupExtraReplacement
Current best complexity is 7:
Spare can be discovered in Concepts, categorized under Reserve, Backup, Extra, Replacement. An extra item or part kept in reserve for replacement when needed.
It has been discovered by 9 boards and crafted 13 times, first appearing 5 months ago. Spare can be created from 3 recipes, and goes on to appear as an ingredient in 34 others.
Spare was first discovered by Pete's board 5 months ago. The lowest-complexity recipe (7) is held by secret.
Related concepts worth exploring include Successor, Double Doomsday, Fail-safe, Reserve, Cloud Backup, Contingency, and 6 more.