All you’ll need is enough balloons for each audience member to have one (plus a few extra in case some get broken during the performance) and a screen big enough for everyone to clearly see the video. I would suggest downloading the video here instead playing it from youtube. Any lag or buffer time due to an unsteady internet connection could be a real bummer.
You’re welcome to program/perform this piece free of charge. All I ask is that you drop me a line to let me know when you’ve scheduled a performance and send me a PDF or picture of the program (if there is one) so that I can submit it to ASCAP’s performance notification system.