The Hot Wheels 2025 Mail-In Collectors set features three iconic vehicles including a 1966 Chevrolet Chevelle, a 1991 Nissan Sentra SE-R, and a Mercedes-Benz Unimog U 1300 L. Each car is made of metal and painted in a vibrant green color, making them ideal for adult collectors. This special edition set comes in unopened boxes and includes a case for safekeeping. Perfect for any car enthusiast, this Hot Wheels mail-in series from 2025 offers a unique and exclusive addition to any diecast vehicle collection.