When cold, the Tetris Heat Changing Mug shows a game of Tetris in its early stages. But pour in some hot or boiling water and it’ll reveal a game in full swing – level number, current score and all.
When cold, the Tetris Heat Changing Mug shows a game of Tetris in its early stages. But pour in some hot or boiling water and it’ll reveal a game in full swing – level number, current score and all.
