The video shows a person decorating a cupcake with white frosting to look like a caterpillar. The person uses green and brown frosting to create the caterpillar's eyes and mouth, and adds two blue candy pieces to represent the antennae. The video captures the process of decorating the cupcake in detail, showing the person's hands as they carefully apply the frosting and candy pieces to create the caterpillar's features. The final product is a delightful and colorful caterpillar cupcake that is sure to bring a smile to anyone's face.