1/144 Me-163s and Scheuch Slepper - Matti`s Mini`s
Matti's Mini's has been working on a number of interesting items, two of which that have caught my attention are the Me-163s and the Scheuch Slepper.
The Me-163s is a training version of the regular Me-163B with the rocket motor and fuel tanks removed enabling the installation of a second seat and revised canopy in order that pilots could learn critical landing skills. Interestingly the Russians captured and test flew a number of these 163S variants after the war.
http://en.wikipedia.org/wiki/Messerschmitt_Me_163
The kit here is presented simply the take off dolley wheels, main fuselage and a canopy, as all three are in the FUD (Fine Ultra Detail) material from Shapeways it means the canopy is opaque However, I feel the reason why this piece is separate is that it may provide the option for a 'heat bashed' canopy to be made (this would require a little work then to add some interior detailing.
http://www.shapeways.com/model/774367/1-144-me-163s.html
The Scheuch Slepper is a more unusual device, design to assist in the handling of the Me-163 on airfields derived from a pre-war agricultural 'tractor' it was adapted and with with a trailing wheel are tow rope or bar, or the one of two versions of a hydraulic trailer with either lifting arms or inflatable bladders, the former and one most commonly associated with this aircraft.
http://www.flickriver.com/photos/deckarudo/sets/72157629402189596/
The Schllepper should also work well with your Project Flieger Me-163B bonus kit, and may even be able to handle the Project Flieger Me-163C variant (although this is not confirmed to-date). It is presented here in three parts giving your the ability to configure the kit in one of two ways.
http://www.shapeways.com/model/774414/1-144-scheuch-schlepper.html
Both items are available separately to purchase.
It would also be happy pulling a V-1 on its wheeled dolley/trailer (see V-1 option on KG-144) as shown on the link below:
http://robdebie.home.xs4all.nl/me163/equipment37.htm
Additional interesting items are available directly from Matti's Mini's:
http://www.shapeways.com/shops/mattisminis