JIBS BMX: Flatland Show Published on 01 June 2012 at 10:16. JIBS BMX Flatland Show at the: Mac Kids Walk & Wheel for Miracles. Saturday June 2, 2012 / 10am – 2pm: Hamilton, Pier 4 Park. *Four Flatland riders will be there to entertain you with their bag of tricks. Published on 01 June 2012 at 10:16.