The item is pre-colored, but the package still may include pigment. If included, some parts needs to be color by yourself. We have detailed instructions to tell you where to color. Also, feel free to be as creative as you can by including your own variations to it. Recommend children to assemble under the guidance of adults in case of swallowing. The product requires 2 pieces of AAA batteries (for the lights). Due to customs policy, glue or battery may not be included in the package.