I use this sign on my classroom door during Parent Teacher Conferences. Parents knock at their designated conference time to keep the schedule moving. This can help keep conferences from running too long.
Sesame Street pole for Ls bday party - painted shipping tube, hot glued Styrofoam ball to top and pushed bottom of pole through Styrofoam circle so it would stand up. Made st sign on MS word & glued to cardboard & inserted into pole by antonia