valid passport (min. 6 month longer than your stay)
insurance form E 128 (you can get it with your sick-fund)
form A1 (social insurance) with Crazy Company GmbH
sick-fund card
good gym sneakers and maybe sandals with straps (not slippers)
track suit for the course: short/long pants, pullover/jacket, shirts swimsuit, bathtowel
cosmetic articles
dance shoes (if you don't have: boys-"elegant"black or dark shoes/girls: the same, with heels
jacket for pre-and afterseason time (could be fresh!)
eventually your handy (rechargeable SIM-cards can be bought in the destination)
„elegant“ clothes for the evening (pants, shirts, skirts...)
white T-Shirt, black pants, white shirt
apartment? - sublet ? give notice?
fix costs- f.e. sick-fund - standing order?
if you travel to your originary country: inform yourself about military service ! (only men)