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Children's author Roald Dahl is to become the first person to be honoured posthumously with a gold Blue Peter badge.

Dahl's daughter Lucy will accept the accolade on behalf of her father in a special episode of the children's TV show, to be aired on C����ý on Thursday.

Dahl much-loved works include Charlie and the Chocolate Factory, Matilda and The Twits.

Had he not died in 1990, the author would have been 100 on 13 September.

Thursday's programme will see science presenter Greg Foot recreate Frobscottle - the favourite drink of the BFG, or Big Friendly Giant.

The show will also feature a performance by the cast of the West End musical version of Charlie and the Chocolate Factory.

'Truly amazing'

Only a handful of gold Blue Peter badges are given out each year, in recognition of bravery, inspiration, citizenship and outstanding achievements.

Lucy Dahl said it was "extraordinary" and "truly amazing" for her father to receive the accolade.

"When you read a book you create your own version of the story, and you create your own pictures in your own mind," she said.

"Dad felt that reading books was one of the most important things a child could do, because he felt that imagination was so important."

"Roald Dahl's literary magic continues to enchant generations of children and will do for years to come," Blue Peter editor Ewan Vinnicombe said.

'Remarkable imagination'

"Blue Peter is honoured to be able to celebrate his remarkable imagination in this special show."

Previous recipients of the gold Blue Peter badge include US film-maker Steven Spielberg and the illustrator and children's author Chris Riddell.

Schools across the UK marked on Tuesday by asking pupils to dress up as their favourite characters from his books.

Celebrations continue this weekend in Cardiff, which will be transformed into "The City of the Unexpected" in an arts event involving 6,000 participants.

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