the freely combination of 1-4 pairs of cards. Suitable for multi person entertainment scenarios such as family gatherings and friend games. Quick & Efficient Operate: Achieve perfectly shuffled cards in seconds with simple hand cranking action. The light weight build and space saving dimensions make this tool ideal for home use or on the go gaming. Designed to accommodate various card sizes from standard playing cards to strategy game cards, ensuring versatility for all tabletop gaming enthusiasts. Not need for power supports, manual operate is simple and convenient. Suitable for family gatherings, friend gatherings, chess and card rooms, and other occasions.