Photos of the official 2014 World Cup ball have purportedly been leaked on the internet.
The ball sports an attractive - if slightly dark - pattern of swirls, with green, blue and red flashes enlivening the black and white.
Adidas describes 'Brazuca' as: "An informal term used by Brazilians to describe national pride in the Brazilian way of life. As with their approach to football, it is always full of emotion, pride and goodwill to all."
The look of the ball is one thing, but the real test will come when teams start to use the 'Brazuca'.
A modern tradition has developed whereby players - particularly goalkeepers - criticise the World Cup ball.
The Adidas Jabulani's apparently unpredictable flight caught out several goalkeepers, while scientists decided it was - perversely - too round to fly straight.
In 2006, Brazil's Roberto Carlos was among those to complain about the Adidas Teamgeist which, it was claimed, behaved vastly differently in the wet.
Four year's earlier, Italy goalkeeper Gianluigi Buffon described the Adidas Fevernova used in Japan and Korea as "like a child's balloon" on account of its apparent flightiness.