IdeaWorks &ndash; 2 Deck Card Shuffler &ndash; Automatic Card Shuffler &ndash; Fits Up to 2 Standard Decks AUTOMATIC SHUFFLER: Instead of shuffling your deck manually, the card shuffler will automatically shuffle up to 2 standard sized decks thoroughly and quickly SIMPLE TO USE: Simply split the deck, place the two halves on each side of the shuffler, press down on the fingertip control, and the cards will shuffle into the center tray BATTERY OPERATED: Requires 4 C batteries (not included)