These toy train wheels are an excellent addition to any child's toy collection. They are designed to be easy to handle and assemble. The wheels are compatible with a wide range of train models, allowing children to explore their creativity and develop their fine motor skills while having fun. Features -Color:Multi -Material:Plastic -Size:4.00X3.80X1.50cm/1.57X1.49X0.59in - Suitable for rail moment of 2.4cm -Plastic wheels: lightweight yet strong, these wheels minimize carriage weight and enhance train stability -Smooth axle movement: precision engineering ensures flexible axle rotation, accommodating various track conditions -Versatile accessories: ideal for both static displays and dynamic , catering to model train enthusiasts -Effortless installation train wheels: these wheels are designed for effortless installation on a variety of train models -Easy maintenance: the smooth surface of the wheels allows for easy cleaning and maintenance Package list: 40 x model train wheels