Are they the same size as DX Engine-O and DX Ganbur-O though?.
Nah, these toys were made smaller. I especially checked with my gunbir-oh, both toys are smaller than their Japan counterparts.
I did a review on Valvemax[/url] from the Disney Store, the toys I used are the same that comes in that pack. Difference is that the engine cell key for the red zord has its error corrected. The original release had a white box surrounding the "1" symbol.
[ame]http://www.youtube.com/watch?v=q59v8TcEP-8[/ame]