Tobias hurled his next stone into the slowly moving water with a faint grunt of exertion. The boy remained silent until the stone broke the surface of the water with a faint 'plop.'

"Hey, you can't throw stuff when you're a bird, gotta take the chance when you get it," he quipped, looking back towards Marco.

"Besides, it's too easy to get distracted playing video games. Lose track of time."