Brain Test Level 270 (NEW) Oh no! Prevent this accident

Daze Puzzle provides a complete walkthrough for "Brain Test Level 270: Oh no! Prevent this accident!".

By Daze Puzzle /
Question
Oh no! Prevent this accident.
Hints
Hint 1:
Try to sound the train's horn.
Step 1
Answer
Try to pull down the horn string to make a loud sound in order to wake the baby up.