PLEASE BE SURE TO SELECT THE DATES AVOVE WHEN COMPLETING YOUR BOOKING BELOW! Ultimate Ninjas is hosting THREE Open Gym Giveback events for Hamilton Elementary School! Have fun at Ultimate Ninjas and support your school at the same time! When: 11/14/18; 1:00 PM – 3:00 PM             2/1/19; 1:00 PM – 3:00 PM          …