Fifty years ago, a class of students at the Long Beach Island Grade School in Ship Bottom filled a wooden box with various objects, favorite possessions, photographs and hand-written musings to characterize their lives as schoolchildren in the 1970s. The box – this time capsule – was placed inside a wall, with a framed note hanging in front: “Behind this wall a box was placed by Mr. Cafarelli’s fourth grade social studies classes on April 28, 1972.