Smolball is a team sport involving two teams. Each team comprises three players and one goalkeeper. The aim of the game is to hit the ball into the opponent's goal. The players and goalkeeper all play with special Smolball rackets and a soft ball. The ball can be played along the floor and in the air, but must not be touched more than four times by the same player. In a sports hall, the ball can touch the walls but not the ceiling. The game can be played with larger teams on grass. 
Source: Smolball