The World's Smallest Collector's Race Case Hot Wheels with Mystery Car is a miniature toy car set produced by Mattel. This set features a 1:18 scale Hot Wheels car made of plastic, suitable for collectors and enthusiasts aged 8 and up. The mystery car adds an element of surprise to the collection, making it a fun and unique addition to any toy car collection. Perfect for fans of Hot Wheels and diecast vehicles, this product is a must-have for collectors of all ages.