Vroom vroom! Can you hear the sound of engines revving? If your little guy loves cars and racing, throw him a Hot Wheels themed birthday party! Choose a couple of our balloons to complete your racing theme. Your son will especially love the 18" Hot Wheels Birthday Foil/Mylar Balloon or the 18" Hot Wheels Speed City Foil/Mylar Balloon. Speed away to a great birthday party filled with fun decorations!