This is an insteresting mug with exterior building surface. A coffee mug and construction set all in one! Drinking coffee while building something is really a wonderful thing.
Features: Material: food grade nontoxic plastic A cup comes with a bag of accessories (3-4 blocks ramdon). There are standard interfaces on cup\'s body and handle. You simply choose blocks that you like, stand them on it and create the unique mug cup. PixelBlocks, Mega Bloks, KRE-O and K\'NEX, etc. buliding blocks. Capacity: about 350 ml
Note: This product can withstand 100 degrees centigrade, but can not be put in microwave and dishwasher. Please wash it by hand!