The kids must design an invention that can get them across a perilous swamp and up a tall cliff in order to rescue Digit, who's been turned into Wicked's 'Mr. Perfect' - and kidnapped by Hacker! The ...

The kids must design an invention that can get them across a perilous swamp and up a tall cliff in order to rescue Digit, who's been turned into Wicked's 'Mr. Perfect' - and kidnapped by Hacker! When ...