350ml creative milk mug coffee cup creative build-on brick mug cups drinking water holder for lego building blocks design gift

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 cups body and handle. you simply choose blocks that you like, stand them on it and create the unique mug cup..this cup is compatible with lego, pixelblocks, mega bloks, kre-o and knex,