The product is a set of replacement chess pieces featuring Mario and Luigi from the Super Mario franchise. The pieces are designed as cake toppers and represent the King and Queen in a chess game. Made of plastic, these colorful pieces are from a Nintendo-themed chess set released in 2009, suitable for children aged 3-4 years. The pieces add a fun and playful element to a chess game, making it engaging for younger players while incorporating familiar characters from the popular Mario series.