Chuck's Reviews Transformers Rise of the Beasts Beast Combiners Arcee and Bumblebee
 

If you liked Optimus Primal then there's more of the same here with Arcee and Bumblebee, literally, their beast partners share tooling. Obviously, Arcee and Bee are far more involved with their transformations than Primal. Each set offers its own positives and negatives so it's ultimately up to you which character you like the best.

http://www.youtube.com/watch?v=uJZhpmkzGdI