The Hot Wheels Monster Trucks Color Reveal vehicles are full of incredible surprises. Inside each barrel, there is a Hot Wheels Color Shifters monster truck in 1:64 scale with a special Color Reveal coating and a detachable fuel tank. To discover the color for the first time, fill the barrel with water, dip the vehicle in, and spin it until the water changes color. Then, pull out the monster truck with its new decoration. Want to change the color back? Fill the barrel with cold water, dip the vehicle in, and watch as the colors magically transform. To regain the original color, dip it in hot water. Use the detachable tank to spray water on incoming Color Shifters vehicles and change their decoration for an epic water battle. Kids will want to collect them all. Each product is sold separately, depending on availability. Colors and decorations may vary.