Fred and George naturally understood the implication behind Wizet's words.
"Um... now that you put it that way..." They nodded helplessly, their voices hesitant as though they were thinking something over. "It does seem pretty inappropriate..."
"You two should just behave yourselves!" Ginny had been talking with Luna, but when she heard Wizet say that, she quickly chimed in. "Don't let us get off the plane only to find people from the Ministry of Magic waiting for us."
"And then they say we violated the International Statute of Secrecy and need to be questioned. If Mum and Dad have to come and get us before we can leave... you should know exactly what the consequences would be!"
Just as Luna had used Jungle Chess as an analogy, Ginny, the youngest daughter of the Weasley family, successfully persuaded Fred and George.
Even so, Fred and George merely promised that they absolutely would not do anything like "taking apart" the plane.
Wizet and Luna could not help but laugh. They had thought of the same person: Fred and George's father, Arthur Weasley.
According to what Ron and the others had said before, Mr. Weasley was very keen on Muggle inventions. The Ford Anglia parked at home was perhaps the best proof of that.
After Mr. Weasley bought that Ford Anglia, he took it apart to study its internal structure, then modified it with magic, turning it into a flying car.
The modified Ford Anglia was fully equipped. It had an added switch for invisibility magic, and its interior had been expanded with an Undetectable Extension Charm.
Not only could it easily seat eight or nine people, it could also hold at least six pieces of luggage.
Mr. Weasley's particular "passion" had clearly been inherited by Fred and George.
The two of them