Abstract: The present invention relates to an easily adjusted device for packing cartons or uniformly sized packages into a larger container for shipment. The device includes a telescoping stacking chamber with a telescoping base plate member having sensors for detecting a full layer, a raising means for lifting the telescoping base plate member, telescoping retaining clips for retaining a lifted layer, a sensor for determining when the stacking chamber is filled, a telescoping pushing plate assembly for ejecting the stack of cartons to a waiting case, and a telescoping outflow port. The apparatus may be mechanically individually adjusted in each of the foregoing aspects to accommodate cartons and cases of various sizes, or may be centrally controlled for adjustment by servomotors to preset measurements at the push of a button. A control device oversees operation of the entire unit.