On the net reservations for timed tickets are required for all non-member guests. Members usually are not required to make online reservations to go to the Zoo. You are employing a browser that isn't supported by Facebook, so we have redirected you to a less complicated version to provide you https://erickhexsm.eedblog.com/28194076/children-s-museum-of-houston-things-to-know-before-you-buy