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1. Today is a Free Fun Friday at The Sports Museum. Admission is free for everyone. 100 Legends Way, Boston.
2. Do you have a $5 million innovation idea? The Bloomberg Philanthropies’ Mayor’s Challenge awards multiple cities with million dollar grants to create the winning ideas. 
3. On Saturday, celebrate tomato season at the Roslindale Village Farmers' Market. 9 a.m. - 1:30 p.m. Boston area farms like Allandale, MacArthur and Brookwood, all at the Roslindale Farmers' Market, will produce 30-50 different varieties of tomatoes for sale as this season progresses. Come taste and buy some! Adams Park, Roslindale at Washington Street and Cummins Highway.
4. Enjoy a free performance of the Commonwealth Shakespeare Company performing "Coriolanus" on the Boston Common tonight. 7 p.m. 175 Tremont St., Boston.
5. Before you know it Boston's Restaurant Week will be here on Aug. 19-24. Check out theparticipating restaurants here and make reservations.