LEGOLAND Discovery Center Boston is designed for families with children aged 3-10. During periods of high attendance, entrance may be delayed; this is to ensure the safety of all guests. All children must be accompanied by an adult. Management is not responsible for theft or loss of any personal property. Management is not responsible for any bodily injury or harm that may occur within LEGOLAND Discovery Center Boston. Adults may only visit LEGOLAND Discovery Center if they are accompanied by a child - please see the LEGOLAND Discovery Center Boston website for info on Adult Nights. Admission is free for children under 3.