This Harry Potter heat changing mug is sure to cast a magic spell over your morning brew.
 
Cold, the mug shows the a silhouette of Harry Potter
 
When hot liquid is poured in, the mug transforms to writing and images on the silhouette.
 
Once the drink is finished, the mug returns to its original state as it cools.
A truly magical gift for any Harry Potter fan.
 
Pyramid International Harry Potter Heat Change Mug 
Dimensions - Width: 12.5 cm x Height: 10 cm x Diameter 9.5 cm
Presented in branded gift box