Roundnet is played with 2 teams of 2, a ball and net like a small trampoline. Each team is allowed 3 touches before they have to hit the ball down into the net. Then the next team gets to it around up to 3 times and so forth. If you mess up and don't hit it back into the net the other team gets the point. The game is played to 21 points and your team has to win by 2 points.
It is a combination of volleyball and foursquare and can be very competitive and challenging. It is typically a four-player game with two teams of two players each (or 2 by 2),
The set contains: a complete net, a training ball, 2 competition balls, a ball pump with needle and a mesh bag for storage and transport. The training ball has a diameter of 11 cm and the competition balls have a diameter of 9 cm.