If using wooden skewers soak in water while you prepare other ingredients. Remove the chicken breasts and polish sausage from their packaging and thoroughly rinse and towel dry.
Thoroughly clean/rinse all the vegetables. Cut the meat and vegetables (except the mushrooms and cherry tomatoes) into approximately 1.5 cubic inch pieces.
Make two separate sets of skewers by sliding the meat and vegetables on the wooden skewers. Place the chicken kabobs in one large baking dish and pour the Italian dressing over them.
Place the polish sausage kabobs in a separate large baking dish and pour the teriyaki sauce over them. Sprinkle garlic powder, salt, and pepper over all the kabobs.