The Gravity Box - Macera, Norman

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Résumé :
The Gravity Box is the tale of two boys out to save the world. While these two-wannabe scientists are running their own secret experiments, Shawn and Jimmy have come across an eccentric, old Professor. The Professor has invented a machine that not only allows people to fly, but also has the power to increase and decrease the gravity of any object that they focus the machines mysterious green beam on. Terrified of heights, the Professor allows the boys to carry out his own secret experiments with THE GRAVITY BOX. When mysterious men in black come onto the scene to steal the Professor's invention, Jimmy and Shawn are pitted against these super spies. The two young boys must rely on their own ingenuity and of course THE GRAVITY BOX to save the world and themselves from the evil invaders.