boy in space invitation template. astronaut floating with planets like balloons in cute flat cartoon style

invitation space boy astronaut balloon children human cartoon hand drawn vector design birthday comet astronomy group copy star textile party poster presentation fly galaxy flight cosmos happy banner style flat greeting print funny cute character universe planet helmet exploration text lunar moon world outer orbit floating earth cosmonaut gravity template planets like balloons colorful illustration for baby kids card paper shower font brand advertising screenshot diagram organ logo art drawing line flower circle person