Construction Blueprint (very rare!)

Construction Blueprint (very rare!)
You are holding what appears to be a construction blueprint! It's difficult to say exactly what type of project it is for though, it needs to be studied before it will become any use whatsoever.
Category	Items
Sub Category	Miscellaneous items

Blueprints Blueprints unlock new buildings at the Construction Sites Construction Sites.

There are four types of blueprints, each unlocking a construction project of different depth.

• Construction Blueprint (common) Construction Blueprint (common)
• Construction Blueprint (uncommon) Construction Blueprint (uncommon)
• Construction Blueprint (rare) Construction Blueprint (rare)
• Construction Blueprint (very rare!) Construction Blueprint (very rare!)

Found

• Searching rooms in Explorable Ruins Explorable Ruins (ruin-specific blueprints have separate sets of construction projects they unlock)
• Opening a Worn Leather Bag Worn Leather Bag
• Opening a Sealed Architect's Chest Sealed Architect's Chest

Uses

• Unlocks a very rare construction:
  After examining the plan, you realise that it shows precisely how to build the Very Rare Building !
  You record this new information in the construction site section.
  This project requires the Base building > Other prequisite to be build[sic] first.
• When used after all very rare sites are unlocked gives the following message:
  Your town has already unlocked all construction projects in this category!
  This object is therefore useless, so you decide to throw it away.
• When used in the world beyond
  To study the plans, head back to the relative calm of the town.

Unlocks

• Builders' Merchant Builders' Merchant
• Cinema Cinema
• Coffin Catapult Coffin Catapult
• Crow Statue Crow Statue
• Divining Rods Divining Rods
• Dump Upgrade Dump Upgrade
• Firework Foray Firework Foray
• Giant BRD Giant BRD
• Giant Sandcastle Giant Sandcastle
• Hot Air Balloon Hot Air Balloon
• Ministry of Slavery Ministry of Slavery
• No Holes Barred No Holes Barred
• Reactor Reactor
• Wonder Wheel Wonder Wheel

Notes

Blueprints from Explorable Ruins Explorable Ruins have same name , but different images :

• Abandoned Bunker:
• Abandoned Hospital:
• Abandoned Hotel: