The first, not frequently used now, was an in-store (or point-of-sale) prize that was handed to the customer with the purchase of one or more specified boxes of cereal.[1] The second method of distribution is to include the prize in the box itself, usually outside the liner bag—often called an "in-pack promotion" in retail marketing. The third method is attaching the prize to the box - "on-pack" promotion - (as with plastic records laminated to the back of the box)[2] or printing the prize on the box (as with numerous games and trading cards) or simply attaching the prize to the box with tape or shrink wrap.[3] Some prizes include a gameboard or other interactive activity printed on the box that corresponds with the prize inside the box, which is used as a gamepiece. The fourth method of distribution is to have the consumer mail in the UPC proof-of-purchase labels cut from a specified number of boxes, sometimes with a cheque or money order to defray the cost of shipping, and the premium is sent to the consumer by mail (rarely first-class), usually from a third-party source.[4]