School has drawn to a close, and your little explorers are ready float away on a sea of imagination. Put some wind in their sails with today's deal from Our World Children's Global Discovery Museum in Cohasset: Pay $7 (regularly $14) and get two children's admissions for ages 1 to 8 -- adults can accompany children at no cost. This nonprofit social learning center promotes learning among all ages with various playing stations. Youngsters will love the ship, which changes themes throughout the year to showcase a different historical event or destination. Plan a whale of a party with a four-hour rental of the museum for $69 (regularly $150). You'll get use of the kitchen, private room, and small theater -- perfect for birthdays, reunions, and more. Set your sights on this edu-taining musem and get ready for boatloads of fun.