Brain Test 4 Level 306: We need a long residential building.
Brain Test 4 Level 306
Screenshots

Quick Answer
Use the hammer to remove the roof of the leftmost house, then stack the other two houses on top of it.
Skills Tested
Step-by-Step Solution
- 1) Pick up the hammer.
- 2) Knock the roof off the leftmost house.
- 3) Use the flat base as a platform.
- 4) Stack the other two houses on top.
Hint
Reveal a hint
Knock the roof off the leftmost house with the hammer, then stack the other two houses on top.
Why It Works
This is a spatial stacking puzzle. Removing the roof gives a stable platform, and piling the other two houses on top turns three scattered homes into one tall residential building.
Frequently asked questions
How do I solve Brain Test 4 Level 306?
Use the hammer to remove the roof of the leftmost house, then stack the other two houses on top of it.
What is the answer to Brain Test 4 Level 306?
Hammer off the roof of the leftmost house and stack the other two houses on top to make a long building.
What is the trick in Brain Test 4 Level 306?
The trick is removing the roof first so the house becomes a flat base for stacking the other two.
Why do I need to remove the roof in Brain Test 4 Level 306?
Taking the roof off the leftmost house creates a level surface, letting the other two houses stack into one tall building.
Is there a video walkthrough for Brain Test 4 Level 306?
Yes. The clip shows the hammer removing the roof, then the two houses stacked on top.
How do I avoid getting stuck in Brain Test 4 Level 306?
Remove the roof of the leftmost house completely before trying to place the other two houses on top.