Brain Test 4 Level 30

Brain Test 4 Level 30 Question

We need a cleaner energy for this robot

Strategy Guide for Brain Test 4 Level 30

• 1.First tap the faucet to activate water flow before attempting any battery cleaning;
• 2.Drag the dirty battery to the sink area after turning on the faucet to wash it clean;
• 3.Only place the now-clean battery into the robot after completing the washing process.

Common Mistakes

• 1.Trying to drag the dirty battery directly to the robot without cleaning it first;
• 2.Tapping the faucet but forgetting to drag the battery to the sink for washing;
• 3.Attempting to use other objects like the light bulb or plant instead of the faucet and sink.