Jason and Alex explore the new Hot Wheels Mega Wrex Alive R/C This is an advertisement for Mattel Mega Wrex has come to life in this new R/C with three electrified modes (hunt, guard, and smasher) that allow him to interact with its environment and perform exciting stunts! Mega Wrex can also be seen in the all-new Power Smashers content special on YouTube Kids, so you can see your favorite HWMT characters on screen!