The Wonderment wheels, introduced in the Secret Santa Crate, as part of the Frosty Fest special event, are a collectible item that can be used to customize a player's vehicle. They provide no advantages while in use and are purely cosmetic.
There is a random chance to get them from the Secret Santa Crate or by trading up 5 import items from the same crate. They can also be traded between players.
The Wonderment wheels are classified as Exotic.