Smiley® Mug

Black & Yellow magic heat sensitive mug. - Changes colour with heat. - Starts black and boring. - Smiley face apopears with heat. - Quality ceramic mug. Amaze your kettle. Watch this mug magically transform in front of your eyes as you pour in the hot water. From boring black to lively smile as you make your hot brew. Then gradually transforms back to boring as your beverage cools. Designed and made by Suck UK