The iball4 is a compelling and addictive electronic game to challenge your speed,memory and skills. The iball4 is a clear green ball with ingenious electronic wizardry inside such as a timer, high score gameplay, 6 light buttons and a LED display. 1 to 4 players. Three modes: Light Speed – turn out the lights as fast as you can in 60 seconds. Follow The Lights – memorize as many lights in the correct order. Beat the Sequence – predict the color sequences in 60 seconds.