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【Safe and Durable Material】Crafted from environmentally friendly linden wood, this music box kit boasts exceptional toughness, resisting cracks and deformation. The smooth, barbless surface ensures safe and enjoyable play for both you and your children, offering peace of mind during use. 【Effortless Assembly】Say goodbye to complicated assembly processes! With precise 3D laser cutting technology and accurately slotted wooden blocks, this music box is easy to assemble. Step-by-step instructions guide you through the process, allowing you to complete assembly stress-free. 【Mechanical Charm】Experience the magic of a hand-cranked music box! This wooden music box features a charming hand-cranked movement. Simply turn the handle to activate the multi-stage gear set, producing delightful melodies without the need for batteries. Enjoy the nostalgic sound of music in a timeless mechanical format. 【Enhanced Creativity and Relaxation】Delve into a world of creativity and relaxation with this music box kit. Assembling the intricate pieces promotes hand-eye coordination and enhances creativity, while the process itself offers a calming and meditative experience. Relieve stress and unwind as you embark on this rewarding journey.