I Found my prince his name is dad 11oz colour change mug.
 
Pour in a hot drink and watch the colour change magic!! 
Coffe mugs 110z, black
 
. 11oz ceramic coffee mug with c-shaped handle
. Full print around the mug (text can be printed on both sides)
. Highly durable and vibrant quality
. Makes a great gift item
. Hot or cold drink
. Packaged to ensure it arrives safely and shipped from the UK
. 100% Dishwasher and Microwave safe