Engineered with high strength , rust resistant , this building blocks connector ensures durability flexibility for frequent rebuilding while maintaining lightweight structural integrity Designed for building blocks enthusiasts constructing elaborate displays and families / educators needing reliabled components for interactive STEM projects or collaborative Optimizes model building efficiency in classroom workshops , or mobile exhibitions where quick tool less assembly and transport friendly designs are important Features none toxic materials that meet child standards , making it a responsible choices for sustainable toy systems requiring secure , long lastingly connection Universally ioint broad compatibility , seamlessly integrating with multiple sets to part mismatch during complex model assembly, Manufacturer: Zqxnt