Brain Test 4 Level 406: Worry must find a way to cure that monkey.
Brain Test 4 Level 406
Screenshots

Quick Answer
Drag the yellow flask to the monkey to grow its tail, then place both bananas into the scanner machine.
Skills Tested
Step-by-Step Solution
- 1) Pick up the yellow flask.
- 2) Drag it onto the monkey to grow its tail.
- 3) Gather both bananas.
- 4) Place both bananas into the scanner machine.
Hint
Reveal a hint
Use the flask to grow the tail, then scan both bananas.
Why It Works
Healing the monkey takes more than one action. The flask restores the tail it is missing, while putting the two bananas into the scanner machine lets the machine treat the monkey, so together they cure it completely.
Frequently asked questions
How do I cure the monkey in Brain Test 4 Level 406?
Drag the yellow flask to the monkey to grow its tail, then put both bananas into the scanner machine.
What is the answer to Brain Test 4 Level 406?
Use the yellow flask on the monkey for its tail, then load both bananas into the scanner machine.
What is the trick in Brain Test 4 Level 406?
The cure needs two steps: growing the tail with the flask and scanning both bananas in the machine.
Why do I need the yellow flask in Brain Test 4 Level 406?
It regrows the monkeys tail, which is the first part of the cure before the scanner handles the rest.
Is there a video walkthrough for Brain Test 4 Level 406?
Yes, the video shows using the flask on the monkey and feeding both bananas into the scanner.
How do I avoid getting stuck in Brain Test 4 Level 406?
Complete both halves of the cure, since the tail grows with the flask and then both bananas go into the scanner.