A Flip Zone Open Gym   50 hwy & 3rd st.  Lee's Summit, MO $5 per child ages 16 months - 12 years  Please have at least 1 parent per family stay and enjoy the evening in the gym Members & Nonmembers Welcome No reservations needed. Come play on our 33 ft obstacle course, jump on the tumble trak and trampoline, free play on the equipment. Open Gym Starts Aug. 20    Open Gym Every Friday  6:30-8:30p.m.