Transformers Studio Series 86-15 Sludge is Leader Class and stands approximately 8.5-inches tall in robot mode. 86-15 Sludge transforms from Brontosaurus to robot and back and is screen accurate to the Transformers The Movie 86 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, theyrsquore 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 wersquove all come to know and love.