Brain Test 4 Level 354: Astrodog must activate the device.
Brain Test 4 Level 354
Screenshots

Quick Answer
Match the lower panel symbols to the upper panel. Use the tape to patch the cracked pipes, then pull the lever.
Skills Tested
Step-by-Step Solution
- 1) Check the two symbol panels.
- 2) Match the lower symbols to the upper ones.
- 3) Use the tape to patch the cracked pipes.
- 4) Pull the lever to activate the device.
Hint
Reveal a hint
Align the symbols, patch the pipes, then pull the lever to activate.
Why It Works
This tests order and pattern matching. The panels must correspond, the damaged pipes need the tape to hold, and only after both repairs can the lever trigger the device.
Frequently asked questions
How do I activate the device in Brain Test 4 Level 354?
Match the lower panel symbols to the upper panel, tape the cracked pipes, then pull the lever.
What is the answer to Brain Test 4 Level 354?
Line up the panel symbols, patch the pipes with tape, and pull the lever to turn on the device.
What is the trick in Brain Test 4 Level 354?
Every step matters. The symbols must match, the pipes need taping, and the lever is what finally starts the device.
Why do I need the tape in Brain Test 4 Level 354?
The tape seals the cracked pipes, which is a required repair before the device can be activated by the lever.
Is there a video walkthrough for Brain Test 4 Level 354?
Yes. The video shows the symbols matched, the pipes taped, and the lever pulled.
How do I avoid getting stuck in Brain Test 4 Level 354?
Complete the parts in order. Match the panels and seal the pipes before you try pulling the lever.