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The 4981 Chum Bucket is a SpongeBob SquarePantS set released in 2007. Plankton's restaurant, the set includes SpongeBob and Plankton (with helmet) minifigures, and also a robot customer, a Plankton's Burger walker and a Spongebob robot. The set contains the Plankton's restaurant, with his lab, a small tank and Karen, Plankton's computer wife. The inside also includes a screen version of Karen above some standard technology, and latter for plankton to climb to get to the second floor.