6 different cars in this set - Ambulance, Police Car, Fire Engine, Taxi, School Bus and Ice Cream Truck for all kinds of emergencies. They are made of Plantation Tea Wood. The size is 8 x 6 x 5.5 cm per piece. The Fire Engine and the School Bus are 9.5 cm long. These are suitable for 18 months and over - there are no parts that protrude or can come off.