Description: 【Expandability】This train track building accessory can expand your existing train building set to build a larger freight train track system 【Creativity】Using additional building accessories can enhance play, expand play, and encourage children's creativity 【Material】Our tracks are made of environmentally friendly PP material. Your child can secure assemble our tracks 【Gift for Kids】This train tracks building is easy to assemble and disassemble. This is a great holiday gift 【Learning Skills】 Building train tracks helps stimulate children's logical thinking skills and helps children understand and learn about their environment in a fun way Size Chart: Straight Rail: 10.5cmx3.7cm/4.13inchx1.46inch Curved Rail: 13cmx3.7cm/5.12inchx1.46inch Forked Rail Rail: 14cmx5.5cm/5.51inchx2.17inch Transfer Rail: 2.5cmx4.5cm/0.98inchx1.77inch Package Includes: 1 Model Train Track Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm differences due to manual measurement.