From the same makers of Riobot figure series, Japanese company Sen-Ti-Nel is teaming up with Takara Tomy to release its Transformers Optimus Prime Pen. This latest offering will enable a working pen to transform into a poseable Optimus Prime action figure.
With this, the official images have been released recently. There will be 3 variants, Optimus Prime, Limited Edition Black Convoy and Limited Edition Ultra Magnus. Price for the Transformers Optimus Prime Pen is about 3,869 yen while the Black Convoy and Ultra Magnus for 4,298 yen each. The sets will be released this October 2014.