【Notice】Actually, you cannot see the traps on the screen at first.
First, to remove the traps around the Wizard Tower, drop Goblins one by one on point A in the above picture.
Put a Giant on point A to distract the defenses.
While the Wizard Tower is attacking a Giant, deploy 5 Archers on each point B to take out the Wizard Tower.
Drop Giant on point C to distract the defenses.
While Cannon and Archer Tower are attacking a Giant, deploy 15 Archers on each point D to destroy Air Defense, Mortar and Archer Tower.
Drop 10 Barbarians on point E to distract the defenses.
While Cannon and Mortar are attacking Barbarians, deploy 20 Archers on point F in order to take out Archer Tower.
After Air Defenses and Archer Towers are gone, deploy a Balloon finally.
In the following video, Barbarian and Archer are upgraded to level 5.
In the video, the player drops 4 Barbarians to let the bombs go off.
He deploys 20 Barbarians in waves around the Wizard Tower.
He puts 15~22 Archer in front of each Mortar in waves to destroy them.
He adds 8 Archers to take out Archer Tower.
The player deploy 11 and 13 Archer to destroy Air Defense and Archer Tower.
After Air Defense and Archer Tower are gone, the player drops 3 Balloon. Balloons raid rest of the village.
[Level 17 - WatchTower] Hints & Tips