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He wrote, "Cars will float in the air. The schools won't be made from blocks of stone. They will be made from metal and they will be in funny looking shapes."

Janitz also said there would be robot policemen and cashiers.

Well, mom, like nearly all mothers do, saved the homework and gave it to her now-29-year-old son.

We may not have the flying cars and the schools are still made out of stone, or at least bricks, but we do have "robot" cashiers in the form of self-service checkouts, "Good Morning America" reported.

Janitz also said we'd have weird pencils and that the New York Giants will win the Super Bowl, while the Dallas Cowboys would not.

Many tablet computers have a stylus, so there are the weird pencils. And the Giants have won two Super Bowl since 1996, while the Cowboys haven't.