How can I Soften & Bend a Plastic Part

Along with the Eagle I started I have 2 "Godzilla" Kits. I need to reposition the tail on one of them if possible. And i've no real idea on how to start the process. As you look at the model , with his teeth looking at you the tail for the model flips up and is curved to the Left. The thing is that I would really like it to curve over to the Right. I have a little building with a nice Big Hole in it that it would fit into almost perfectly. I'm using some of the buildings from those "Gigantics" Kits to make a rather nice diorama of Godzilla trashing the place. Can anyone please help me with how I "Bend, Twist & Turn" the tail over the other after I glue pieces number 30 & 31 together. Do I fill it up with very fine aquarium sand and glue a piece of plastic over the hole and then Warm it up in the Oven. Or put it in a Pot of Boiling Water and wit to see if it gets soft enough so that it can be bent.

I have never done anything quite like this before and could really use all the help I could get. I push doesn't come to shove I guess I could do something else , but it would be nearly perfect if I can find a way to bend this around the other way.

Thanks so very much

... Carl .........

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