Lighthouse
From Cantr II Wiki
Lighthouses can be seen from the sea, and help in navigation between places. All lighthouses within 200 pixels are visible to vessels on water. Within 60 pixels the lighthouse name is visible.
Construction
Days needed: 30
Raw materials needed: 20000 grams of stone, 200 grams of window glass, 300 grams of iron
Objects: none
Tools needed: hammer, trowel
Build/Repair Skill: Building
Capacity
People: 5
Weight: 600000 grams