Revealing mistake: When the sky bike is flying during the competition it is obviously suspended from a crane as you can see the wires.
The Sky Bike (1967)
1 revealing mistake
Directed by: Charles Frend
Starring: Liam Redmond, Ellen McIntosh, Spencer Shires, William Lucas
Visible crew/equipment: When Tom's father stands in his bedroom doorway on the day they are going on holiday to tell him that breakfast is ready there is a shadow of the mike on the wall above him.