Looking for some suggestions for visiting Maine in rainy weather with young boys (6 and 2 yrs old). We will be there this weekend, labor day. Looks like rain for both Monday and Tuesday. We are staying in Kennebunkport. Plans there include the Trolley Museum (which we may save for a rainy day) and Goose Rocks Beach. We also plan to spend a day in Ogunquit doing outdoor things. This will take up our two nice days, Sat and Sun. Not sure what to do on Mon and Tues if it rains? Would like to have a plan in place so we don't feel like we wasted half of our 4 day trip because of bad weather. Okay with driving a short distance (under an hour), but not super far since we will have already driven 5+ hours to get to Maine! The boys love trains and lighthouses amongst other things. Would it be worth visiting Portland Head Lighthouse on a dreary day? Can you go in the lighthouse? On Tuesday, we will be heading back to southern NY, so would also be okay with making fun stops along the way home if anything rings a bell (dont mind going a little off the beaten path). Would very much appreciate any feedback - thank you!!