From the release:
Next weekend the new Panzer IV J Platoon will be hitting the shelves at a store near you, complete with a new plastic track and accessory sprue!
The Panzer IV J Platoon box set (GBX68) includes five Panzer IV J Medium tanks, ten plastic part sprues, two Stowage sprues, two Tank Commander sprues, five sets of metal Schürzen, ten Rare-earth magnets & one Decal sheet.