Quote Originally Posted by GoktimusPrime View Post
The Masterpiece cassettes are the same scale as G1; all the MP Cassettes can fit inside G1 Soundwave's chest and G1 cassettes can fit inside MP Soundwave's chest. Also the piledrivers from MP Rumble and Frenzy are compatible w/ G1 Rumble and Frenzy. I display my MP Frenzy w/ piledrivers (so he looks like cartoon Rumble) and my MP Rumble piledrivers on G1 Rumble.
I do the same with my MP Frenzy - using him as cartoon Rumble. I haven't tried putting the MP piledrivers on G1 Rumble - good idea! Gotta try that later