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Is Electric : Button Battery Block Size : Small building block（Compatible with Lego） Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Warning : Cannot eat Material : Plastic Recommend Age : 18,14y,6-12Y

Packing : No original box Pieces : 889 Pcs Size : 28.6*17.6*12.1 cm Explain : With Lighting effects

Origin: China The overall design of the product takes into account both fun and practicality, and its core functions revolve around "hands-on exploration" and "cognitive enlightenment" to exercise logical thinking and hand-eye coordination.

The size has been ergonomically considered, making it easy to hold and operate, and the moderate weight will not cause any burden in use.