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- go to a museum or theme park with a great user experience (Disney World France!): ICA? http://www.icaboston.org/
- go out to lunch
- ferry to George's Island, with picnic: http://www.yelp.com/biz/boston-harbor-islands-ferry-boston
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- sailing lessons on the Charles: http://www.community-boating.org/
- rent kayaks: http://www.paddleboston.com/boston/rates.php
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