seamless grunge pattern of chalk drawn sketches colorful stars and scrawls on chalkboard backdrop

star fivepointed fivebeam scrawl scribble line crayon chalk chalked charcoal pastel blackboard board chalkboard colored colorful rainbow blue green orange red pink yellow white realistic doodle drawn drawing hand sketch painted kid childish child children school vector illustration image color colour textural texture seamless pattern motif print continuous grunge sketches stars scrawls backdrop backdrop background crayon-drawn scribbles dark