The Hot Wheels Colour Reveal 2 Pack of vehicles is loaded with awesome surprises! Inside the barrel drum are two 1:64 scale Hot Wheels Colour Reveal cars covered in special Colour Reveal coating. For the initial reveal, fill the drum with water and swirl each car around in it until the water changes colour, then pull the car out - the sweet decos hiding underneath are exposed! Repeat this over and over again alternating between warm or cold water. It's like having two cars in one! The barrel drum serves as a Hot Wheels dunk tank, and it's also perfect for storage! Each two-pack is sold separately, subject to availability. Colours and decorations may vary.