More than 400 participatory exhibits, from astronomy to zoology; Planetarium; Omni Theatre (reservations recommended, separate fee), films projected onto a four-story screen. FREE ADMISSION ON JULY 3.

Sponsor's Message:
We have more than 550 interactive exhibits, plus live presentations, planetarium shows, brunch, and Boston’s only 180-degree domed movie screen, the Mugar Omni Theater. Come let your mind play.