Transformers Dinobot Adventures Optimus Prime T-Rex with Lights and Sounds, 9+-inch Toy, Ages 3 and Up - Transformers
Mr Potato Head Transformers Optimus Prime version T Rex - YouTube
IMDb on Twitter: "Optimus Prime rides a dinosaur robot in latest trailer for 'Transformers: Age of Extinction': http://t.co/aQKPz5Hb4M http://t.co/tWmMgpdk1K" / Twitter
Amazon.com: Transformers Primal Team-Up 3-Pack with Optimus Prime, Bumblebee, and Grimlock Converting Dinosaur Figures, 4.5-Inch Toys, Ages 3 and Up (Amazon Exclusive) : Toys & Games