Comedy adventure series, aimed at four- and five-year-olds, in which animated numbers solve mathematical problems in the real world, with input from real children

Comedy adventure series, aimed at four- and five-year-olds, in which animated numbers solve mathematical problems in the real world, with input from real children
Broadcast Friday, 13:05 on CBeebies but not available on BBC iPlayer.
2/20. The Problem Blob is at work again, so the Numberjacks send out Brain Gain to help.
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