The LEGO Ideas Grand Piano Set 21323 is an advanced build that transforms into a fully functional 25-key concert grand piano, complete with motorized hammer action, moving dampers, and a matching stool.

Specs:

* Part of the LEGO Ideas line, designed for adult builders and advanced construction enthusiasts.

* Contains 3,662 individual pieces for a detailed and rewarding build experience.

* Features a 25-key keyboard with authentic hammer action for realistic playability.

* Includes a motor that powers the moving keys, dampers, and pedal (requires 6 AAA batteries, not included).

* Comes with a matching stool to complete the concert setup.

* The sleek grand piano exterior is beautifully crafted with attention to detail.

* Released in August 2020, this set is a milestone as LEGO's first playable grand piano.

* Moving dampers and pedal mechanisms replicate real piano functions.

* Powered by a motor that drives the moving components for an interactive experience.

* Recommended for builders ages 18 and up due to advanced building techniques.

* Set number 21323 from the iconic LEGO Ideas subtheme.

The LEGO Ideas Grand Piano Set 21323 showcases engineering complexity with its motorized hammer action and moving dampers. This set is perfect for a weekend build and makes an impressive display piece for music lovers and LEGO collectors alike. Its authentic piano mechanics and detailed design set it apart as a standout set in the LEGO Ideas series.