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Harry Potter Heat Changing Mug

Product number: 45275

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Product Features

  • Heat reveal mug for muggles
  • Fill with hot water to ‘magically’ reveal its secret image
  • Ideal gift for Harry Potter fans
  • View our full Harry Potter range

4.5 Read 5 reviews

View all Harry Potter

  • Harry Potter Heat Changing Mug

    Every tea-loving muggle will adore this magical heat reveal Harry Potter Heat Changing Mug, which asserts “I solemnly swear that I am I up to no good”, before sharing its hidden secret once filled with hot liquid.


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  • Delivery

    UK Mainland
    Standard Delivery 2-4 Days
    Express Delivery Next Day (if ordered before 7pm Monday to Friday. 2 days after7pm including Weekends/Bank Holidays)*
    Sunday Express Delivery Sunday (if ordered between 7pm Friday and 7pm Saturday)*
    Click & Collect Available at Delivery Page
    BFPO & Foreign & Commonwealth Office
    Standard Delivery 2-4 Days*
    Eire (Ireland)
    Standard Delivery 7 Working Days*
    EU countries
    Standard Delivery 7-10 Working Days*
    Rest of the world
    Standard Delivery 7-10 Working Days*

    * Some delivery services may not be available in your area, the delivery page will display the available delivery services during checkout.


    We want you to enjoy shopping at Lakeland with complete confidence, which is why every single product you buy from us comes with a 3 year guarantee – just bring along your receipt or emailed order confirmation as proof of purchase. Plus all returns are free.

    To do this, it would be really helpful if you could call one of our friendly Customer Services Advisors on 015394 88100 first, as there are occasions when it may not be necessary for you to be inconvenienced by sending a product back to us.

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  • Harry Potter Heat Changing Mug


    "Harrypotter heat changing mug"

    I bought a his fir my granddaughter who is a Harry Potter fan and she absolutely loved it. Very good.

    Harry Potter Heat Changing Mug


    "Good quality"

    The mug is a good quality and my son loved the harry potter "magic". A good present for HP fans of any age.

    Harry Potter Heat Changing Mug


    "Squealed with happiness"

    Arrived well packaged and promptly. My 14 year old stepdaughter squealed with happiness when she unwrapped it recently for her birthday and insisted on making us all tea so she could watch her mug change. Definitely a popular product!

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Harry Potter Heat Changing Mug