Magblock 52 Pieces Classic Set! ?Magnet is wrapped in the stainless case, which locked inside of the plastic cover, double protection, ensure the saftey. ?Compatible with other similar-size magnetic building blocks. ?All of our products have passed CPSIA and ASTM certificate, meet American toy safety standards. What is in the beautiful color box? 25*Square 21*Triangle 6*Semi-circle 1*Color Manual 1*Warranty Card Sellers Warranty Commitment: We guarantee 100% exchange if the tiles are damaged or less than expected. Your satisfaction is our pursuit! Please feel free to contact us directly when you encounter any problem.