These are based on the netflix siege tetrajet mold They are unable to transform but can be done in a variety of colors upon request The two null rays are compatible with any 5 mm port. Thus you can use it with other figures if desired or use other figures weapons in place of these The exhaust is blast effect compatible as well as the weapons Great for dioramas of air combat scenes Furthermore I made an attachment for this that will work with my flight stands. Making it easier to set up an impressive air combat scenario Since it is 3D printed and my own design not only can we change colors but custom versions can be made or if enough people want the same additions or changes I can make changes for future iterations Modeled and printed in the United States of America