Electronic Marble Ball Construction Race Track Building Blocks Track Maze Toy with Music Easy Assembly for Kid Educational Toys

Block Size : Micro building block、Big building block（＞1cm） Remote Control : No Barcode : No Certification : CE Gender : Unisex Model Number : Construction Marble Run Race Track Warning : Maze Ball Roll Building Blocks Material : Plastic Type : BLOCKS Brand Name : supstem Origin : Mainland China Recommend Age : 12+y Name : Electric Marble run Material : Plastic Applicable age : 3 years old + Features : Electric + music Packing : Original box+OPP Battery : Not included (prepared by yourself)