Description: 【 Railway Track Adapter】:This train track adapter kit designed to seamlessly integrate with train tracks, offer limitless opportunities for creative play 【Educational Play】: This train track fittings by offering versatile track configurations, enhances 's creativity and imagination, encouraging them to build unique and exciting layouts 【Easy To Use】:The train track coupler make it simple to assemble and disassemble the train tracks, providing convenience and flexibility during play time 【Compact】: Each connector measures 3.5 x 0.6 x 1.2 cm, making them the ideal size for little hands to easily handle and connect 【Sufficient Quantity】: Each pack contains 5 pcs Dog Track Connectors , which is sufficient quantity for supplement, repair, upgrade Specification:Material : PP Size Chart: 3.5cmx0.6cmx1.2cm/1.38inchx0.24inchx0.47inch Package Includes: 5 Dog Track Connectors  Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.