Nickelodeon SpongeBob Squarepants Personal Mini Fridge Refrigerator by SpongeBob SquarePants. $49.99. This SpongeBob Mini Fridge is very compact and portable. This is perfect for rec rooms and dorm rooms. This holds up to 6-12 oz cans or 4 bottles. This has a collapsible handle for easy carrying. There is no assembly required.