Giant 4 In A Row is a giant game board game designed for use by children and adults of all ages. It can be played in many different positions. Positioned on the floor, it can be played while users are in a side sitting, kneeling or half kneeling position. Players can also play with it while sitting on a therapy ball or T stool. When the game is positioned on a table top, it becomes an activity aimed at improving players upper extremity range of motion and shoulder stability. Single players can use the board to create patterns with the white and black discs. It can be used in therapy clinics, classroom or home settings. SIZE: 18" x 21". COLOR: 21 Black and 21 White discs. WARRANTY/GUARANTEE: As stated by the manufacturer.