Mould King Music Box Building Blocks Set, DIY Music Box Model Kit with Percussion Syllable Pieces - Make Your Own Song, Collectible Home Decoration for Girls Boys Adults (2344 Pcs)

• 【Creative Mechanical Music Box】Mould King 10170 building set cleverly combines precision gears and programmable syllable pieces, and controls the rhythm of hammers through preset inserts, so that the building blocks can automatically play melodies. It combines engineering building with music creation to create a unique acoustic work of art.
• 【Electric Four-speed Adjustable】The model kit is built-in battery box and motor, which supports four speed adjustment modes, allowing you to freely control the rotation and tapping speed of the tone wheel. (Note: need to buy 6 batteries)
• 【Smooth Building Experienc】2344+ high-precision ABS parts are individually packaged step by step, with full-color 3D illustrated instructions. The modular design simplifies the assembly of complex mechanical structures, and novices can easily master the construction process of the model set.
• 【Premium Quality Material】The building toys sets are crafted with durable ABS material—smooth and rigorously tested. Tight interlocking modules ensure a robust build, delivering long-lasting performance for immersive engineering exploration, providing a secure building experience for young engineers.
• 【STEM Learning Toys】Ideal for both play and education, this building kit fosters spatial reasoning, problem-solving, and creativity. Whether for kids exploring STEM toys or adults seeking a display-worthy model music box, it’s a perfect blend of learning and entertainment.

Product description Mould King Music Box Building Blocks Set, DIY Music Box Model Kit with Percussion Syllable Pieces - Make Your Own Song, Collectible Home Decoration for Girls Boys Adults (2344 Pcs) Directions Assembly instructions (English language not guaranteed) Safety Warning For children over 14 years of age only, please be accompanied by an adult.