Using a wind tunnel, Goff has researched the flight properties of the Telstar 18, drawing its drag curve to discover where the ball might dip and swerve in the air, similar to the knuckleball free kicks favored by Cristiano Ronaldo “Even if aerodynamically the Telstar 18 isn’t that different from the Brazuca, it’s still going to wobble a little bit differently because the panel shapes are different,” Goff says.
2010 Jabulani Adidas This ball has 8 panels. A special variant was used for the final match, the gold Jo'bulani (picture on the left), which was named after "Jo'burg", a standard South African nickname for Johannesburg, site of the final game. The ball was notable for the controversy it attracted, with players and fans contending that its aerodynamics were unusually unpredictable. 
This can be used as a great option for goalkeeper training as well. Why? Look, you can hardly see the lines on this ball, hence you won’t be able to guess the direction by only seeing the spin of the ball. That means as a goalkeeper you will have to give full concentration to detect the direction of the sliding balls. This is obviously helpful if you are a goalkeeper, and looking for a sliding challenge.
If you are looking to teach your little one all about the game of soccer, than this Spalding Rookie Gear soccer ball is perfect. This particular soccer ball by Spalding weighs 25 percent less than most size three soccer balls to help your child build basic essential skills. Measuring 10 inches all around, this ball is specifically designed for young recreational players who age eight or under. This soccer ball has a composite machine stitched cover to ensure your kid will get years of play out of it. Your kid has the option to choose from five different color patterns, yellow and blue, yellow with blue and orange accents, purple and blue, green and blue, or pink. No matter what color your kid may want, this soccer ball is sure to stimulate their visual sensory to keep them focused on the game. https://www.youtube.com/watch?v=_TX8dExPIWc