The Kre-o Big Build Challenge has been airing between Phineas and Ferb episodes on Disney XD since May through to July.
The competition offers 25 kids the chance to appear on the channel in a Kre-o building challenge.
In the daily Kre-o clips competitors face-off in a one minute challenge and in a three-minute final aired on Saturday and Sunday. Kids must race against the clock and each other to complete Kre-o builds. Winners are crowned the 'Kre-o Big Build King' in their age group.
Video entries to the competition are sent in via a dedicated microsite, where there are games and more information on the Kre-o range, which currently includes sets based on Transformers and Battleship.
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