Large Construction Provision Detail tab: Feeds an Expert Construction Worker. Required to solve some quests in the «Town Construction» weekly challenge. Cost: x 210 x 730 Production Time: 24 m Instant Upgrade: 16 Objective: Home Island: Buildings Delete Item: No Trade: Yes Type: Instant Upgrade Recipe 4 m 48 s x 210 x 730 x 1 x 210 x 730 x 1