en CB01 OFFICIAL. This educational video uses a blend of live action footage and catchy tunes to teach children basic skills such as counting and learning how things move. Songs included are: 'Diggers, Dumpers and Trucks'; 'Mass Excavator'; 'The Roller'; 'I Went to Visit a Site One Day'; 'Ten Hard Hats'; 'The Tall Crane Song'; 'The Concrete Mixer'; 'The Building Site'; and 'Crash Bang Smash'.