Funny Things Happen Down Under is 'a musical in colour, based on a group of Australian children who accidentally discover a method of turning sheep's wool into different colours.'
Source:
'Australian Films on Show in Britain', Canberra Times, 5 August 1965, p.24.
The film was tied to the Roger Mirams series The Terrific Adventures of the Terrible Ten, with the 'Terrible Ten' being credited as such in the opening credits.
It aired on Australian television in 1966, advertised as 'a Christmas time adventure with the Terrible Ten'. (See, for example, the television guide in the Canberra Times, 24 December 1966, p.12).