This event is in the "All Ages" group. Winter Wonderplay - Calling All Builders and Engineers! 10:00am - 4:00pm All Ages This event is in the "All Ages" group. Jan 6 2023 Fri Winter Wonderplay - Calling All Builders and Engineers! 10:00am - 4:00pm All Ages Please note you are looking at an event that has already happened. Library Branch: Grayslake Area Public Library District Room: Youth Program Room Age Group: All Ages Program Type: Social Gatherings, Community Event Event Details: Builders and Engineers of all ages can come together to make towers, bridges, houses, forts, etc using our many building materials.