Building: Allows you to build your blocky designs on the side of the mug. Gift: A great novelty gift for a creative person in your life! Mug: Get a build-a-brick mug! Mug capacity: 12oz. Colours: Choose from blue, black, red, gold, white, orange, grey, green or pink, | 1 or 2 Build-A-Brick Mugs - Black | Wowcher