Rock crawlers are the new hotness, and some of the best radio control cars out there. They're not as fast as some of the top off-road buggies, but they're really not supposed to be: they're about ...

Traxxas shows how its Slash 4x4 RC car can drive across water and do jumps, thanks to paddle tires and high-speed gearing. And some foam for flotation, just in case. All the Slash fun requires is ...