Looking to add a bit of excitement to your next beverage? This sleek mug is sure to surprise you as it changes its design when you pour your hot drink into it! Watch and enjoy as this colour changing mug reveals an amazing Japanese style illustration of Sonic. For any fan, this is a must-have addition to their kitchen.Official SEGA ProductDesigned and engineered by NumskullMade from high-quality ceramicAdd hot beverage to see mug turn white and reveal special Japanese style ‘Modern Sonic’ designNot microwave or dishwasher safe