999pcs Create MOC Technical Mechanical Mantis Insect Life Set With light Building Blocks Bricks Toys for Birthday Gifts

Is Electric : Button Battery Block Size : Small building block（Compatible with Lego） Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Warning : Be careful of children eating building blocks Material : Plastic Recommend Age : 14+y Origin : Mainland China