Scientist Nina and her young experimenters discover how substances change and react. They investigate why people get hard and gritty sleepy dust in their eyes. Show more
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Scientist Nina and her young experimenters discover how substances change and react. They investigate why people get hard and gritty sleepy dust in their eyes. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
