Blue Crashin' Thrashin' Racer Controller
Source: Vendor. I can confirm that you can use this to get the winter veil achievement Crashin' and Trashin'
The 
Blue Crashin' Thrashin' Racer Controller is a Classic-era toy that can be purchased from vendors during the Feast of Winter Veil.
Guide awaiting review
Purchase from Jepetto in Dalaran
Visit Jepetto or his assistant in Dalaran during the Feast of Winter Veil to purchase the Blue Crashin' Thrashin' Racer Controller.
Alternative: Buy from Craggle Wobbletop
Craggle Wobbletop also sells the controller and walks in the Trade District alongside the Canal in Stormwind.
Use during Winter Veil
Activate the toy during the Feast of Winter Veil event to use it for the Crashin' and Trashin' achievement.
Tips
This toy counts toward the Crashin' and Trashin' Winter Veil achievement but does not count toward the achievement meta.
The Blue Crashin' Thrashin' Racer Controller can crash into the original
Crashin' Thrashin' Racer Controller and grants a kill credit buff, though these kills do not count toward the achievement.Using this toy against other players can cause disconnections, so use with caution in multiplayer areas.
