Junior Craft, Design, and Technology
Up and Down the Hill Wheels and Gears
Why do bicycles have gears? What makes part of a pull-along toy bob up and down?
Narrated by FELICITY HAYES-MCCOY
Producer DAVID TAFT
Discover 11,128,835 listings and 277,945 playable programmes from the BBC
Junior Craft, Design, and Technology
Up and Down the Hill Wheels and Gears
Why do bicycles have gears? What makes part of a pull-along toy bob up and down?
Narrated by FELICITY HAYES-MCCOY
Producer DAVID TAFT
BBC One is a TV channel that started broadcasting on the 20th April 1964. It replaced BBC Television.
