if youre all fingers & thumbs add a professional touch to your card games with our automatic card shufflers. great for all card players our card shufflers will thoroughly shuffle 1 or 2 full decks of cards at the press of a button & in a matter of seconds. our regular card shuffler measures l 20.5cm xw 11cm xh 10cm (8in x 4¼ x 4in). require 4x aa batteries.