Brooklyn badminton club just introduces a new guest pass system, to make it more flexible for players' schedule. I believe they have the following offer: A. $60 for 5 prepaid pass (good for three months) B. $110 for 10 prepaid pass (good for six months) C. $200 for 20 prepaid pass (good for nine months) D. $315 for 35 prepaid pass (good for one full year) For details, please contact their managment at http://www.brooklynbadminton.com/our_services.html