Combine bocconcini and 2 tablespoons Italian dressing. Marinate at least 2 hours or overnight.
Meanwhile, cook tortellini according to package directions. Drain well and run under cold water to stop cooking. Toss with Italian dressing and let marinate 1 hour.
Thread items on 6" wooden skewers alternating colors and textures.
Cover and refrigerate up to 24 hours. Sprinkle with herbs and drizzle with balsamic reduction just before serving if desired.
