Here are some good things to always have handy...
-soft shoes-
-hard shoes / dance sneakers-
-water bottle / gatorade-
-socks-
-first aid kit (band-aids, moleskin...)-
-stretch bands (for helping with posture)-
-black duct tape-
FEIS:
-costume-
-soft shoes-
-hard shoes-
-water bottle / gatorade-
-snack (pretzels, trail mix, granola bars...)-
-socks-
-sock glue-
-first aid kit (band-aids, moleskin...)-
-bloomers-
-wig / bun cover-
-hair stuff (hairspray, bobbi-pins, hair ties...)-
-number holder, string-
-competition number (if it was mailed to you)-
-black duct tape-
-shoe shine-
-headband / tiara-
-make up-