bearmine , 
Something I’ve been working on for 2 or so weeks. Lego piano set! It’s so pretty!
And yes, the keys move and the internal “hammers” strike the “strings” when you do.
The interior of the piano showing “strings” and piano parts.
A close up of the top front. A small piece of sheet music “Playday” sits on the sheet music holder thingy.
A close up of the piano keys and bench