Let's get ready to tumble: Justin Fletcher, aka Mr Tumble, leads Mike the K

CBeebies turns 10: Meet the visionaries responsible for Tinky Winky, Iggle Piggle and co

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Let's get ready to tumble: Justin Fletcher, aka Mr Tumble, leads Mike the Knight, far left, and various ZingZillas through their paces at 'CBeebies Live'

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