SpongeBob's Vibrating Shoes are very large shoes that are green in color. They also have colorful flowers on them with orange shoelaces.
Role in episode
Plankton buys the vibrating shoes for SpongeBob as one of the many things SpongeBob requests in order to get him to cook a Krabby Patty. Even though SpongeBob is pleased with the shoes, he is still unwilling to cook a Krabby Patty for Plankton.