Bidding box for home-played games. Use of bidding boxes has several advantages over oral bidding: it reduces noise in the room, prevents bidding being overheard at neighboring tables, allows easier review of the auction, and reduces the opportunity to pass unauthorized information to one's partner (intentionally or not) by the manner and intonation in which one makes one's bid. A bidding box is typically a plastic box with two slots, each containing a set of bidding cards. One slot contains 35 cards with symbols of bids (5 denominations—clubs (), diamonds (), hearts (), spades (), and notrump (NT)—in seven levels of bidding,
Klaberjass as in two-player. On the first round of bidding, a player must take on in the preferred suit (or else pass). On the second round of bidding, players may take on in any suit except the preferred suit, except for the last player who may take on in any suit. Also, on the second round of bidding a player may take on in "no-trumps" - that is, declare that there will be no trump suit, and hence no Jass, Manille, or Bela. Once the bidding is over, the remaining eight cards are distributed, two to each player (this includes the