Found by @twitaculous

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Join Miffy as she goes to school for the first time, from singing and drawing lessons to maths and storytime! 📚 RT and FOLLOW Miffy for the chance to #win a copy of miffy goes to school for your own little one! #prize #competition T&Cs -

Sometimes promoters tweet more than once.
Tweets will only get updated when you re-fetch them. This helps you because competitions will no longer "jump" between pages when competitions get added or competitions finish while you are browsing them. Competitions get "fetched" when you login or manually re-fetch them with "Forget Ended Competitions & Fetch New Ones". Additionally hidden tweets will stay visible until you "fetch" to save reloading the page and save you from losing your position.