Preheat oven to 450 degrees. Lightly grease baking sheets. Spread potato nuggets on baking sheets. Bake 7 min. Loosen nuggets from baking sheets with metal spatula. Thread 3 potato nuggets onto 1 spaghetti piece. Bake 5 min. Carefully push carrot strips into sides of each nugget for legs. Using sour cream to attach vegetables, decorate faces.