It's really easy, anyone with a little DIY skills should be able to do it, and hopefully it will help the Beast Hunder toys sales.
I'm afraid not a lot people check the Customs and Artwork topics, so I put the link here, please click on this link to view.
Just check for yourself.
http://www.cybertron.ca/boards/showthread.php?t=50189
To not spoil the surprise, I didn't put the combiner's name here or in the subject. Even you don't like DIY, I hope you will have a good time enjoy the story.
