• 【Details】 The railway crossing block set is a perfect complement to the urban train set, suitable for freight or building environments, and can be combined to create simple or complex structures. 
• 【 Material】 Made of high-quality ABS material, sturdy and durable. 
• 【Educational significance 】 It can exercise children's hands-on ability, improve their hand eye coordination and problem-solving skills, and allow them to freely unleash their imagination when building their craziest dream trains and tracks.