Needed for
Quests and achievements that reference this entry.
Research
Postbox
Row ID: Recycler
Postbox is a research project in Solarpunk that costs Blueprint. It requires Unlock Tier 3 to be researched first. Completing it unlocks the Postbox recipe.
Material cost
Unlocks recipes
Prerequisite research
Unlocks research
Completing this research does not directly unlock other nodes.