I don't know it would be easy to kit bash a Marder II , but it would be a lot of fun trying . Actually I'm hoping Rubicon rethink how they layout their sprues , right now it's all willy nilly with various parts for turret , hull and wheels together on one sprue . I think all lower hull parts ( track , sprockets , wheels ) should be on one sprue , upper hull , tools , stowage , on the 2nd sprue , and then the third , depending on the size of the vehicle , turret and crew parts . Then if they decide to release , for example a Marder II , they already have the lower hull sprue sorted. If the panzer IV was designed this way , you would only need to design upper hulls and associated bits to make a Stug IV , Jdg Panzer IV , Brumbar , etc , as the lower hull and wheel sets would be a common sprue .The Warlord 38(t) and Marder III kits I just built were designed like that and Dragon has used this approach for years in 1/35 scale . What do you guys think ?