Are you a Harry Potter fan as well? I think this pop culture of wizarding world is here to stay for a very long time. And it would be nice to be reminded that magic can happen if you just believe. This would be a welcomed thought as you sip your morning coffee and this craft is the perfect way to do it.
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Vinyl is a good material to use to embellish your simple mugs. Simple and clean. Just look for the silhouette design that you like and have fun with this craft.