Good-Cooking - Watermelon Cake, from a Mix

Ingredients

• 1 (18.25 ounce) box white cake mix
• 1 (3 ounce) box watermelon gelatin
• 2 eggs
• 1 1/4 cups water
• 1/4 cup vegetable oil
• 2 containers vanilla or cream cheese frosting
• Red and green gel food coloring
• Chocolate chips