What a great gift for the builder in your life! Grab this Fun Build-On Brick Mug ONLY $17.98 Shipped! Have fun while enjoying your favorite beverage! Available in several primary colors. These build-on mugs are great for ANY age! MAKES A GREAT GIFT! Material: food-grade non-toxic plastic. Each cup comes with a bag of accessories (3-4 random blocks). There are standard interfaces on the cup’s body and handle. You simply choose blocks that you like, stand them on it and create unique designs! This cup is compatible with LEGO, PixelBlocks, Mega Bloks, KRE-O and K’NEX, etc. building blocks.