Stonemason Monkey

The Stonemason Monkey shapes rocks into bricks and uses them to build walls, towers, and even throws a few at the bloons! It costs $850 on Easy.

Upgrades
Builds a wall blocking off the bloons temporarily. Lighter bloons will just go above the walls.
 * Construction: $510 Easy

Builds walls much faster!
 * Faster Construction: $850 Easy

Builds a turret that you can put towers on. Turrets make towers fire a bit faster than normal.
 * Turret: $3400 Easy

Builds walls with spikes on the top. Spikes damage bloons for two layers per spike!
 * Dragon Teeth: $4250 Easy