Customers of J Sainsbury, Barclaycard, Debenhams and BP can now use their Nectar Rewards Scheme vouchers to obtain free entry to seven theme parks in England.

Five vouchers - representing 2500 points - will gain admission for either an adult or a child to the Chessington World of Adventures; Madame Tussauds (including the London Planetarium); Alton Towers and Thorpe Park.

A free ticket for either an adult or a child to visit Warwick Castle can be obtained with three vouchers and for four vouchers an adult and a child can experience Cadbury World.

Lastly, six vouchers will gain admission to Legoland Windsor for an adult, whilst five vouchers will buy a child ticket. Details: www.nectar.com