This mug features a design from the Monster Jam Grave Digger Truck franchise, making it a unique collectible item perfect for fans of monster trucks. The multicolor mug is adorned with a spooky skeleton design, making it a fun addition to any Halloween celebration. Additionally, the cup lights up for added excitement. With a handle for easy grip, this mug is both practical and fun, making it a great choice for enjoying your favorite beverages during Halloween festivities or while watching sports. Cool light up cup in good condition.. works