The Deluxe Speed-O-Matic Bingo Machine will make calling bingo easy and enjoyable. This sturdy self contained cage measures approximately 20″L x 13″W x 16″H. It features small bright multicolored .075 inch bingo balls with a clear plastic cover to protect the numbers from wearing off. When you finish a game the balls return to the cage by simply lifting the master board handle. Great for social centers, senior centers and small games. Some assembly required.