The official Transformers Facebook page has posted quick promotional videos for two of the Transformers exclusives that will be available for purchase at the Hasbro Toy Shop booth this weekend at SDCC. The turnaround view videos feature the black and gold Primitive Skateboarding redeco of Titans Return Powermaster Optimus, and the special edition Voyager The Last Knight Optimus with its scrap of tire-rubber from a screen-used vehicle in the movie, complete with certificate of authenticity. You can check out the two videos embedded below!