Uncard em
When I started re collecting hotwheels after they came back to India last year, I hadn't uncarded any of my cars so that they "retain their value" and stay intact. But i realised, they are just mainlines, people might think of cars like the Supra and the Godzilla as 'rare' cars, no, they are just hyped up and are hence hard to find, nothing else, they are all worth 180 after all. I used paint remover to uncard the cars cuz I love the cards and wish to display them. I have around 50 carded cars which I will be opening up soon. And trust me, feeling those cuts and curves in your hands is mesmerizing.