Non-Toxic & Safe to Use: Safety is the number one concern for us so we had our toy set thoroughly and independently tested by EN71 Standards and found to be BPA-Free. The pieces are bright colorful and in a suitable size for little hands. Round edge design without sharpness will protect your kids from getting hurt while playing Parent-Child Interaction: Building Game is a wonderful activity together with family or friends. It can help kids learn collaboration and teamwork.This STEM learning toy helps children build a solid foundation in Science Technology Engineering and Mathematics. As a great gift idea set it helps kids to improve fine motor skills hand-eye coordination and enhance creativity through interactive play. Manufacturered by Novania. Best Gift for Children: This toy is funny & educational and well packaged so it's a great gift for Holiday Christmas Birthday.With this innovative building kit your kids will spend more time in brainstorming while collaborating with others to build awesome creations. [After-sale service]: If you encountered any problems of product quality please email us .We will try our best to resolve the issues in 24H. 102 Pieces STEM Building Set: This construction building sets includes 102 pieces with bright colors and a battery-powered motor drive that will make model move.The manual shows how to connect each piece with bolts and nuts and build them into a model. More different shapes than other sets challenge your kids to build novel designs such as Robot Helicopter Amusement ParkConstruction Truck Fire Trucks Police Cars.