Functional Design Large LEGO set for adults features the firstever playable Grand Piano model with 14 songs accessible via the LEGO Powered Up app Powered Up This is the first Ideas set equipped with Powered Up components a hub a motor and a WeDo 20 Motion Sensor a perfect creative DIY project Real Components This piano has an opening fallboard 25 separate moving keys each with its own real hammer action moving pedal and dampers and more Choose Your Song The pianos lid can be foldedraised and propped up with an adjustable music stand wide enough for a smartphone Enjoy as you play the song of your choosing Authentic Details Includes an opening battery access panel removable keyboard to admire authentic functional details a piano stool with adjustable height and roller caster wheels on all 3 legs for easy movement