Brain Test 4 Level 324
Doctor Worry must fix the machine Answer
Drag the small gear from the shelf to the left empty spot of the machine. Now, drag the pizza to the right empty spot.

Follow the screen sequence
Use the images as a compact replay of the solving path. The text below each frame explains what should change.

Video walkthrough
Same number in other versions
Brain Test versions can reuse the same level number with a different puzzle. If the screenshot or question does not match your game, switch to the same number in another version or use the nearby level links.
Strategy guide
- 1.First, place the small gear in the left empty spot to activate the machine;
- 2.Then, drag the pizza to the right empty spot to complete the repair;
- 3.Follow the exact order: gear left, pizza right. Don't reverse the steps.
Common mistakes
- 1.Trying to drag the pizza to the left spot first, which doesn't work;
- 2.Attempting to use other items on the shelf instead of the small gear;
- 3.Dragging items to incorrect positions or trying to combine them directly.
Related levels

Jenny must reach to the top Answer
Jenny must reach to the top Answer

Don’t let them make Judy jealous Answer
Don’t let them make Judy jealous Answer

Light up all of the numbers Answer
Light up all of the numbers Answer

Gymmy is not satisfied with the weight of this barbell Answer
Gymmy is not satisfied with the weight of this barbell Answer

I must save my cookies Answer
I must save my cookies Answer

How much cash do I have Answer
How much cash do I have Answer

We must watch the show together on TV Answer
We must watch the show together on TV Answer

Don’t let Astrodog to crash Answer
Don’t let Astrodog to crash Answer