Children's quiz. The Kerwhizz contestants whoosh around a world of wooden blocks, dodging the turning tunnel and the Working Herberts. But who will win? Show more
Discover 11,128,835 listings and 278,105 playable programmes from the BBC
Children's quiz. The Kerwhizz contestants whoosh around a world of wooden blocks, dodging the turning tunnel and the Working Herberts. But who will win? Show more