This heat-transforming mug reveals Busytown favorites (Lowly Worm, Officer Flossy, Mistress Mouse) inside the vehicles when hot liquid is added. Cold: tinted windows. Hot: surprise characters inside! 14 oz. | 350 mL

• 14 oz. Ceramic coffee cup with a comfortable handle. 

• All of our mugs come in a beautifully designed, colorful box.

• UPG is a novelty gift company specializing in smart and funny gifts.

Check out our shop for all types of quirky fun stuff! Timeless Keepsakes~ Trendy Kitsch~ We Have It All