Do you have a passion for music? Do you like to relax by focusing on a fun, hands-on project in your free time? If so, this incredible LEGO Ideas Grand Piano (21323) model building set for adults is just the creative activity DIY for you! Feel the pride of building a sophisticated, brick-built version of a concert grand piano that you can actually play music with*! Recreate the hammer action of each piano key, the moving pedal and authentic details such as the propped-open top lid and fallboard. Turn on (batteries not included) the motor and then you are all set to play wonderful music – select 'user play' on the free LEGO Powered Up app to play the notes yourself or activate 'autoplay' and just listen. The app has 2 modes: Listen and Play, there are 10 songs to listen to and 4 to play, with 3 songs being the same. Note that all sounds, songs included, come from the app and the smartphone. Take some time out and enjoy creating a LEGO musical masterpiece to display in your home or workplace. Part of a collection of LEGO building sets for adults, it makes a truly special birthday present or Christmas gift for yourself, the musician, piano player or a hobbyist in your life. *a smart device with the free LEGO Powered Up application is needed to listen to songs or play music. Measures over 8.5” (22.5cm) high, 12” (30.5cm) wide and 13.5” (35.5cm) deep when close. Contains 3,662 pieces. Features the first-ever, 'playable' motorized Grand Piano model with 14 songs accessible via the LEGO Powered Up app to play or listen to This is the first Ideas set equipped with Powered Up components: a hub, a motor and a WeDo 2.0 Motion Sensor, a perfect creative DIY project The piano has an opening fallboard, 25 separate moving keys each with its own real hammer action, moving pedal and dampers, and more! The piano's lid can be folded/raised & propped up, with a music stand raised or lowered and wide enough for a smartphone to see songs playing It has an opening battery access panel, removable keyboard to admire authentic functional details and a piano stool with adjustable height Build your own highly sophisticated, fully articulated, LEGO® brick version of a grand piano. Access the free LEGO® Powered Up app to play a tune on this innovative, motorized piano or listen to a selection of songs. Take time to enjoy every step of the building process! Recreate the hammer action of piano keys in LEGO® style. The lid can be propped up just like on a real concert piano. Press the keys or just listen to music via your device. Learn about this LEGO® Ideas set’s fan designer and more Makes a beautiful centerpiece in any home. This 3,662-piece set includes clear instructions for a smooth building experience and is a perfect gift for music-lovers.