3D Railway Construction Kit | Modular STEM Building Set with Rechargeable Train3D Railway Construction Kit for Engaging STEM Learning The 3D Railway Construction Kit transforms playtime into an exciting educational experience. Featuring modular tracks and a rechargeable locomotive, this set encourages children to build their own vibrant railway systems while enhancing their logical thinking and problem solving skills. Key Features Promotes Development: Supports logical thinking, motor skills, and spatial imagination. Modular