Look out Here comes Rex Children who love to construct -- and those who love to destroy -- will relate to this kid-pleasing tale that builds to a smashing finale. Gizmo, Sprinkles, and Wild are fed up. Every time they build something with their blocks, Rex wrecks it Whether it's an out-of-this-world rocket, a magical heart, or the biggest, strongest, most awesomerific castle ever, Rex sends it crashing down with a "Rawr " (and sometimes a sheepish...