Complementing the PlanCity Road and Rail System with this accessory set, This set help children to understand basic traffic symbols and familiar with the sign they can find in daily life, Playtime Ideas:, The Traffic Signs and Lights set can be played in conjunction with other Road and Rail sets, Parents can help their children understand basic traffic symbols so they are familiar and can use in their daily life, Dimensions: 2, 5 x 2, 5 x 6 cm, SKU: PLNTY139