Title: A water Feature, perhaps
Cost: 4000
Energy: 0
Time: 2 - 5 min
Game version: 1.4.0
Reward: 7 exp and 42 gold
Tips: -
1) Read and tap the hammer to continue.
2) Tag on the building you need
3) Choose a place for your building and tag on the tick to build
4) After you complete this your reward.