This model has a fun backstory! A family friend has a wonderful tradition of naming all their cars after Spongebob characters. They recently bought a brand new green car, and the perfect name immediately came to mind: 'Plankton'! To make it official, they needed a keychain to go with the car keys. It was a fun little project, and I'm sharing the model with the community in case anyone else needs a tiny mastermind for their keys (or their own green car!). Enjoy!