From Mattel Toys. Rev up the holiday fun with a Hot Wheels 2024 Advent Calendar! Kids open one of 24 numbered doors to discover either a new Hot Wheels 1:64 scale vehicle or a wintery-themed accessory that they can use to create exciting stories. There are eight vehicles and 16 accessories just waiting to be revealed! The included playmat expands the creative possibilities providing a festive setting for push-around play adventures. Colors and decorations may vary.