Road Rippers Hummer Truck and Trailer Toy trucks pull trailers with an additional toy; it's like getting 2 for the price of one. The light and sound features add to the fun. The toys also have mute switches for quiet play. The trucks measure approx. 8-1/2" x 4" x 2-1/2". In addition, kids can use a special code inside the box to go online to play and interact with other Road Rippers.