These 15 free Transformers coloring pages feature Optimus Prime, Bumblebee, Megatron and robots that turn into cars, trucks and planes. Detailed machines for older kids. Just print, grab your crayons and have fun! More Movies Coloring PagesToy Story20 coloring pagesVenom24 coloring pagesSpirit41 coloring pagesWednesday38 coloring pagesHow to Train Your Dragon30 coloring pagesWreck-It Ralph68 coloring pages