Fun and eye-catching, the Yamaha Racing Heat Changing Mug is an ideal Yamaha fans novelty that's sure to catch attention. Perfect for enjoying a hot drink watching a race or at your desk, it adds an element of excitement to every sip.
Hot Changing: > 45 C, The colour of the cup changes from dark to light
Cold Changing: <17C, the colour of the cup changes from light to dark
