【Mechanical 3D Wooden Puzzles for Adults】The Magic Piano AMK81 craft kit is the newest addition to our Mechanical Music Box Series, This wooden puzzle incorporates the piano into a "mechanical music box", perfect for music lovers and puzzle enthusiasts alike. 【Challenge Yourself with this Wooden Puzzle】Made of 223 laser-cut pieces, this piano wooden model kit is a serious challenge for puzzle enthusiasts. Once completed, you will get a magnificent and elegant instrument with a self-playing interpretation and elegant self-playing keys, creating a truly amazing experience. 【Exquisite Decorative Ornament】With a size of 5"×6.7"×5.5", this mechanical music box is not only a beautiful and elegant piece of art, but also a perfect decoration for your home, office, cafes, hotel, bookstore, and more. 【Heartfelt Gift for Any Occasion】Share your passion for music and puzzle-solving by giving this 3D puzzle hobby kit as a Christmas, Birthday, Valentine's Day, Anniversary, or Mother's Day gift to your loved ones. It's a perfect way to show your love and appreciation. 【No Battery Need】Powered by a clockwork mechanism, simply turn the handle to enjoy the beautiful melody of this elegant music box. ROBOTIME AMK81 Magic Piano 3D Puzzles for Adults-Mechanical 3D Puzzles Musical Instrument-Wooden Music Box Puzzle Kit to Build-Aesthetic Desk Decor Unique Gift for Men/Women