The Jet Pack is one of the many inventions created by Sandy.
Description
The Jet Pack resemble a brown book bag except that it has a little rocket at the bottom of it.
History
When SpongeBob and Patrick want to become spies, they receive many gadgets from Sandy. The jet pack is used by SpongeBob throughout the episode to consistently follow Plankton around. It burnt Plankton twice when SpongeBob got too close to him. Its only appearance is in the episode Spy Buddies.