Mechanical Solar System Planetarium Building Block Set - Architectural STEM Educational Toy & Children's Christmas Gift black

Mechanical Solar System Planetarium Building Block Set - Architectural STEM Educational Toy & Children's Christmas Gift black.Is Electric : no Block Size : Small building block（Compatible with Lego） Barcode : Yes Warning : CHOKING HAZARD - Small parts. Not for Children under 3 years. Material : Plastic Recommend Age : 14+y Origin : Mainland China