Guidecraft Drivetime Signs - Set of 6, Children's Educational Toys for Traffic Knowledge Learning, Kids Block Play Set of six 30" tall roadway signs ideal for outdoor play, ages 3+ Includes Stop, Speed Limit 25, Railroad Crossing, Yield, School Crossing and One Way Features adjustable heights and wide bases for extra stability Material: Hardwood poles and signs with plastic bases Educational Focus: Promotes safety and recognition of standard roadway signs