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LEGO Ideas Grand Piano 21323 Model Building Set for Adults, Collectible Home Décor Kit, Gift for Music Lovers with Motor and Power Functions

Key item features

  • Playable Functionality: This large LEGO set for adults is the first-ever 'playable' Grand Piano model, featuring 14 songs accessible via the LEGO Powered Up app.
  • Integrated Technology: It is the first Ideas set equipped with Powered Up components, including a hub, a motor, and a WeDo 2.0 Motion Sensor, making it a perfect creative DIY project.
  • Authentic Mechanics: The piano boasts an opening fallboard, 25 separate moving keys with real hammer action, a moving pedal, and dampers for realistic play.
  • Adjustable Design: Features an opening battery access panel, a removable keyboard to admire functional details, a piano stool with adjustable height, and a lid that can be folded/raised and propped up.
  • Elegant Display: All three legs are equipped with roller caster wheels for easy movement, making this elegant multicolor model a beautiful centerpiece for any home.
  • Detailed Construction: Crafted from durable plastic with 3662 pieces, this detailed set offers an engaging music and engineering-inspired build for ages 18 and up.
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Current price is $399.95
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About this item

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Customer ratings & reviews

4.6 out of 5 stars
stars267 ratings234 reviews
How item rating is calculated
  1. 5 stars77% (205)
  2. 4 stars13% (36)
  3. 3 stars3% (8)
  4. 2 stars3% (8)
  5. 1 star4% (10)

Reviews summary

Pros

  • : Features a realistic and detailed grand piano look.
  • : Features realistic elements, such as counterweight key action and dampers.
  • : Involves clever techniques and complex components.
  • : Features mirror an actual piano's mechanism.
  • : Features playable piano components.

Neutral

  • : Offers premium features, but can be overpriced for some users.
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  • +95 images
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Showing 1-3 of 234 reviews

Dec 4, 2025
JRob23
5 out of 5 stars review

Seller Verified Purchase

Best Build Yet

This was a fun, challenging, and super rewarding build from start to finish. The LEGO Piano has a perfect mix of intricate engineering and beautiful design, and every section felt purposeful and clever. The moving keys and internal mechanics make it feel truly special. If you enjoy detailed sets that push your building skills while giving you an amazing display piece, this one is absolutely worth it! A real showstopper.

Review from LEGO
Helpful?4NYQZ8WH7OB7984030895
Oct 12, 2025
Kingoficecream
5 out of 5 stars review

Seller Verified Purchase

You will love this!

Having my own grand piano I had to get this. It’s a tremendous build that has all the main components of a real grand piano and its playing function is really fun. It would be cool if each key could play its corresponding note but it’s still quite fun to see the keys move on their own.

Review from LEGO
Helpful?4NYQZ8WH7OB7984030895
Jan 3, 2026
Bradley
5 out of 5 stars review

Seller Verified Purchase

Must have for collectors

This is an incredible set to have. Actually slightly larger than I was anticipating. The build was fun overall, the keys were a bit repetitive obviously but still very beautiful. It’s probably a touch pricy but would definitely recommend!

Review from LEGO
Helpful?4NYQZ8WH7OB7984030895