Simple Construction Kit Detail tab: These tools might not be flashy, but they’ll do the trick. Give them to an unemployed builder on Stage 4 of the Crisis Quest in order to make progress on the watchtower. Cost: x 10 x 10 Production Time: 5 m Instant Upgrade: 10 Objective: Home Island: Buildings Delete Item: No Trade: Yes Type: Instant Upgrade Recipe 1 m x 10 x 10 x 1 x 10 x 10 x 1