7" Block Play Traffic Signs teaches sign recognition at an early age. Sturdy wood, non-tip bases and non-toxic colors. Set of 13 signs comes completely assembled. Mini Traffic Signs are designed to promote safety awareness. Each sign measures approximately 3 1/2" in height. Set of 12 includes Construction Ahead, Bike Route, School Crossing, Stop Sign, Railroad Crossing, Traffic Light, Do Not Enter, Speed Limit, No U Turn, Handicapped Parking, One Way, and Hospital.