The Jet Engine Bike was a premium decoration that was first available during the Christmas 2013 Event in December 2013. During the Cyber Monday 2015 Promotion the player got a refund (rebate) of 8 donuts when purchased but the base cost was 10 donuts more than the normal price. During Wave 2 of the Corporate Kickbacks, the player got a rebate of 10 donuts after purchasing the item, while the base cost remained the normal 30 donuts.