Grayland Avenue Tot Lot

Free art museum with a hands-on Interactive Family Lounge and art classes for kids from infancy.

Restaurant with a kids' menu of grilled cheese, corn dogs and noodles with tots, and kids under 12 eat free on Thursdays.

History museum with Commonwealth Explorers, a play gallery with dress-up, a food truck and nature stations, and kids 5 and under get in free.

Nature center with river otters, fish aquariums, a beaver lodge to crawl into and a netted climbing sculpture.

Play exhibits for ages 0 to 8, with a pretend market, a canal boat and a separate area for babies and toddlers.

Science museum with LightPlace, a hands-on area for kids 5 and under with sensory and problem-solving activities.