Trick Mugs Black Friday Deals
Interlocking Lines Optical Illusion Mug
Interlocking Lines Optical Illusion Mug

Interlocking Lines Optical Illusion Mug

Regular price $17.99 $13.50 Sale

Show loved ones you care by mugging them safely with the interlocking lines optical illusion mug.

· Available in 11 oz size
· Microwave safe
· Machine washable

· Heat activated, color changing mug (optional)
· Starts out black and changes color in 15-30 seconds when a hot beverage is added (optional)



how trick mugs work.