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Ricky looks into why some schools have banned loom bands

26 June 2014 Last updated at 08:45 BST

Loom bands have become the latest craze with children spending hours making the tiny colourful rubber bands into things like bracelets.

But some schools have banned them because they're too distracting and have caused disruption such as fights.

Ricky has been to a school in Liverpool where children are allowed to play with them out of lessons, to find out why they like them.