The boy researched online for flight bookings and hotel bookings himself and after doing the research he booked his flight and hotel room and that too without any trouble or whatsoever.
So, after telling his parents he was off to school, Drew packed up a backpack along with his scooter and took a train to the airport.
According to the newspaper Guardian, on the eve of the escape drew lied to his grandmother who persuaded her to give him his passport.
Later drew said that he never asked why he was travelling alone.
He checked into a hotel and over the next four days, drank beer on the beach and traveled around the city on a rented a motorbike.
The rebellious preteen whose family says doesn't like the word "no" pulled the wild stunt after a heated argument with his mom, Emma, who told him he couldn't take a trip to the Indonesian island, 9 News reported.
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He was only stopped at Perth International Airport and asked for his identification.
In the meantime, his mother had reported him missing and said she was "shocked" when she found out where he was.
"They just asked for my student ID and passport to prove that I'm over 12 and that I'm in secondary school", he told A Current Affair.
He jumped on a Go Jek bike and arrived at the hotel, checking himself in, telling staff his sister was coming and he was checking in early.
But while his parents were upset, Drew seemed pretty happy with the whole thing: "it was great because I wanted to go on an adventure".
Watch the full story on A Current Affair on Monday from 7pm.
A spokesman said this was the first time the airline had heard of a 12-year-old traveling overseas without their parents' knowledge.