Combine seltzer, ice cream and limeade in a blender. Blend until smooth and frothy. Divide between four small glasses. Thread slices of fruit on a stir stick and place in glass. Serve immediately.
Nutrition facts: 175 calories; 2 grams total fat; 1 gram saturated fat; 33 mg cholesterol; 34 mg sodium; 33 grams total carbohydrate; less than 1 gram dietary fiber; 25 grams sugars; 7 grams protein; vitamin A, 2 percent; calcium, 15 percent; vitamin C, 15 percent; iron, 0 percent