Sign Up for Child Care at MongoDB World | MongoDB Blog` Sign up today for childcare services at MongoDB World in Chicago from June 20-21. The child care center will be available from 9:00am to 5:00pm and offers a safe, secure environment with activities such as arts and crafts. The cost is $50 per child and the deadline to sign up is May 19, 2017. Children will be provided toys and entertained during the event, and parents can pick them up at the end of the day. To sign up, check the box for childcare needs when registering for MongoDB World and select the number of children you'd like to enroll in the Additional Items section.