MOC 25 Styles City Train Tracks Set Single Slip Switch Crossings Rails Bricks Building Blocks Technical Enlighten Toys for kids

High-concerned chemical : Acrylonitrile,1,3-Butadiene,styrene Is Electric : No Battery Block Size : Small building block（Compatible with Lego） Barcode : No Gender : Unisex Plastic Block Shape : Self-Locking Bricks Plastic Type : ABS Warning : CHOKING HAZARD - small parts.Not for chidren under 3 years. Material : Plastic Recommend Age : 14+y Origin : Mainland China