Transformers Studio Series Optimus Prime is Deluxe Class and stands approximately 4.5-inches tall in robot mode. Optimus Prime transforms from Semi Truck to robot and back and is screen accurate to the Transformers Devastation live action movie. Each Studio Series figure jumps out of the big screen and into your collection with a high attention to detail and accurate color schemes reflecting their appearance in the Transformers live action movie. Studio Series Transformers are the perfect gift or collection starter for the casual fan. Available in Deluxe, Voyager, and Leader Classes with traditional colors, they39re the perfect blending of movie specs and designs with classic coloring and will look good in any collection. Manufactured to the highest quality standards by Hasbro, each Studio Series Transformer is a high quality representation of the characters we39ve all come to know and love.