This hoverboard doesn't have any unlockable upgrades.
Hammer is a limited hoverboard that was released with . Like any other hoverboard, it protects you from crashing for 30 seconds. When crashed, it will explode and recharge for a few seconds before it can be used again. This board costs 50,000, like most of others limited hoverboards. When landing, thunders are shown as visual effects.
It has the appearance of a golden hammer.
For unknown reasons, Hammer did not make a reappearance on .
This is first board from Copenhagen. The second being Viking and the third being Super Surfer.