Here's my attempt based on a version done by FrogDNA. I didn't paint over the screws or rivets. Thanks for looking!
Very awesome! I can just see Grimlock saying, "Me Grimlock no music tape! Me Ki....You spin me right around baby right around..."
Thanks to everyone for the kind words! Unfortunately, this little guy isn't for sale. I found out the hard way that it takes a lot of time to do custom work, and to sell it, I'd have to put it at a price that I'd be uncomfortable paying!