Anneka Rice 1988, being replaced by former tennis player Annabel Croft. Rice hosted the BBC's Children in Need appeal in 1987 and tested an early version of her next project, "Challenge Anneka". This had been devised by Rice herself and was launched in 1989 on BBC 1. It ran for a further five years. On 9 June 2006, it was announced that "Challenge Anneka" would return, but this time on ITV. The first of three specials was broadcast on Boxing Day 2006. A further episode was aired on 6 June 2007. As a result of her owning the rights to "Challenge Anneka"
Treasure hunt (game) participants in a treasure hunt game' was set by Team London Ambassadors, who broke the previous record (of 308 participants) in London. 466 Participants, all London Ambassadors for the Olympic and Paralympic Games, worked in 93 teams of five, each completing a set of twelve clues hidden on either side of the River Thames, starting and finishing at City Hall, London. The treasure hunt in the form of a spy mission game formed part of World Record London for 2012. A separate points competition was held with one team emerging the winner of the 'treasure'. Geocaching is an outdoor treasure-hunting