Home Events & Festivals Fort Wayne Children's Zoo: ZSI Twitter Facebook Print About Fort Wayne Children's Zoo: ZSIFort Wayne Children's Zoo: ZSI - Friday, June 21, 2013. Use clues to solve a "who-done-it" zoo mystery during this one-day special event. Activities run from 10 am - 3 pm and are free with zoo admission. Don't miss the African Journey, featuring lions, hyenas, and monkeys. You can even hand-feed giraffes! Ride the Sky Safari, trek through the Indonesian Rain Forest, say hello to orangutans or sharks. See why the zoo was voted Indiana's #1 Summer Attraction in 2012! HOURS April through October: Open daily 9 am - 5 pm. ADMISSION: Adult: $13.50; Child age 2-14: $8.50; Senior age 60+: $10.50; Baby age 1 & under: FREE!