I have not tested this there is sticker on bottom that I think you have to remove first This is a 2001 Monster Jam Grave Digger light-up mug featuring a large plastic construction with multicolor design. It is an original vintage item from the Monster Jam franchise, designed with LED lights that change color and a handle. The mug showcases themes of Monster Jam, Grave Digger, skulls, and monster trucks, making it a unique collector's piece for fans of cars and vehicles.
