seamless grunge pattern of chalk drawn sketches five-pointed stars from rainbow scribbles on dark blackboard. colorful starry

star fivepointed fivebeam crayon chalk chalked charcoal pastel blackboard board chalkboard colorful rainbow white blue green orange red pink violet yellow black cartoon cute realistic scrawl scribble doodle draw drawing hand sketch painted grunge kid childish child children school vector illustration color colour textural texture seamless pattern motif background print