Grate 1 teaspoons zest and squeeze 1/4 cup juice from limes. In large bowl whisk juice and zest with oil, mint, ginger, sugar and salt until blended. Stir in corn; let stand 15 minutes.
Meanwhile, in large bowl combine ramen noodles with enough hot tap water to cover. let stand until tender, about 10 minutes. Drain. Add noodles, shrimp,snow peas,scallions, and radishes to baby corn and dressing mixtures. Toss Well.