Best events for kids: "If You Give a Moose a Muffin" and vintage baseball Michael Russotto as the Moose and Parker Drown as Donald in Adventure Theatre MTC's If You Give a Moose a Muffin. Bruce Douglas Every Tuesday, we press send on the With the Kids e-mail newsletter, packed with ideas from the Going Out Gurus, great reads for parents from the rest of The Post and an occasional giveaway. For a glimpse of what's inside the newsletter, here are three of our top event picks for the days ahead: "If You Give a Moose a Muffin" (Friday through Sept. 2) Yes, that is a man with moose antlers peeking out from behind the sofa. The silly scene is part of Adventure Stage MTC's latest production in which a moose sets off a series of crazy events. "The Lion, The Witch and the Wardrobe" (Wednesday through Aug. 12) In their show with equal parts dancing, acting and puppetry, Imagination Stage and the Washington Ballet take kids on an ad­ven­ture to Narnia. Vintage baseball tournament (Saturday) The old ball game is an understatement as Vienna celebrates the 150th anniversary of the Civil War with a day of baseball games and skills clinics for kids. Players will even be wearing period-appropriate jerseys. Want to receive the e-mail newsletter every week? Sign up here.