Brain Test 4 Level 210: Worry must turn on all of the light bulbs.
Brain Test 4 Level 210
Screenshots

Quick Answer
Paint the first three bulbs red using the brush, then drag the fourth bulb off its stand to break it.
Skills Tested
Step-by-Step Solution
- 1) Pick up the paint brush shown on screen.
- 2) Paint the first three bulbs red.
- 3) Grab hold of the fourth bulb.
- 4) Drag it off the stand until it breaks.
Hint
Reveal a hint
Color the first three with the brush and snap the fourth away.
Why It Works
This tests creative problem solving. Since electric light is impossible here, the trick is to paint the bulbs red and then remove the final bulb so all four count as dealt with.
Frequently asked questions
How do I pass Brain Test 4 Level 210?
Use the brush to turn the first three bulbs red, then drag the fourth bulb off its stand to break it.
What is the answer to Brain Test 4 Level 210?
Paint three bulbs red with the brush, then pull the last bulb off its holder so it shatters, dealing with all four.
What is the trick in Brain Test 4 Level 210?
There is no electricity to switch them on. The puzzle accepts painted bulbs and one broken bulb as a way of taking care of all four.
Why do I need to use the brush in Brain Test 4 Level 210?
The brush gives you a way to turn the first bulbs on by coloring them red, since there is no power switch available.
Is there a video walkthrough for Brain Test 4 Level 210?
Yes. The video shows the brush coloring three bulbs and the fourth bulb being dragged off to break.
How do I avoid getting stuck in Brain Test 4 Level 210?
Do not look for a switch. Brush the first three bulbs red and then pull the last one off its stand to break it.