This is the "Hello Kitty Magnet Seal Set" released by Sanrio in 2002. Hello Kitty Magnet Seal Set, a play-and-learn picture book series. - Brand: Hello Kitty - Product Name: Magnet Seal Set - Set Contents: 1 magnet seal, 1 pen - Recommended Age: 5 years and up - Series: Play-and-Learn Picture Book Series Thank you for looking.