Craft the World Wiki
Advanced Construction
Tier 3
Prereq Advanced Iron Working
Basic Fortifications
Unlocks Shingled Roof Shingled Roof
Scaffolding Scaffolding
Wooden Bridge Wooden Bridge
Imp's House Imp's House
Frogolisk House Frogolisk House
Owlcat House Owlcat House
Round Window Round Window
Trap Trap
Leads to Basic Decorating
For the tree with all technologies, see: Tech Tree.