Brain Test All-Star Level 638: How can this equation be correct?
Brain Test All-Star Level 638
Screenshots

Quick Answer
Drag the donut from the bottom shelf of the cabinet and place it next to the banana on the board.
Skills Tested
Step-by-Step Solution
- 1) Find the donut on the bottom shelf of the cabinet.
- 2) Drag the donut over to the board.
- 3) Place it next to the banana so the equation becomes correct.
Hint
Reveal a hint
Grab the donut from the cabinet shelf and put it beside the banana.
Why It Works
The trick is that the missing part is hiding in the scene instead of on the board. Fetching the donut from the shelf and placing it next to the banana completes the equation exactly as the puzzle shows.
Frequently asked questions
How do I fix the equation in Brain Test All-Star Level 638?
Drag the donut from the bottom shelf of the cabinet and place it next to the banana on the board.
What is the answer to Brain Test All-Star Level 638?
Move the donut from the cabinet shelf onto the board beside the banana.
What is the trick in Brain Test All-Star Level 638?
The missing piece is the donut hiding on the shelf, not a number on the board.
Why do I use the donut in Brain Test All-Star Level 638?
Placing the donut next to the banana is what balances the equation shown on the board.
Is there a video walkthrough for Brain Test All-Star Level 638?
Yes. The embedded video shows dragging the donut from the shelf to the board.
How do I avoid getting stuck in Brain Test All-Star Level 638?
Do not stare only at the board; check the cabinet for the donut you need.