Seems there was battery corrosion, untested and as is.
Grave Digger Monster Jam Mug Truck Racing Light Up Souvenir Cup/ Mug
Grave Digger Monster Jam Mug Truck Racing Souvenir Cup
Grave Digger Monster Jam light up Mug Truck Racing Souvenir Cup
Monster Jam Grave Digger Monster Truck Racing Light Up Plastic Mug
Grave Digger Monster Jam Souvenir Cup Mug - Light Up (2)
