Fun science for preschoolers. Nina investigates why we bend our knees when we land and experimenters Grace and Imogen meet a gymnast. Show more
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Fun science for preschoolers. Nina investigates why we bend our knees when we land and experimenters Grace and Imogen meet a gymnast. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
