Exploring science questions. Messy brushes his teeth, but why must we use toothpaste and a toothbrush to get teeth clean? He goes to OKIDO to find out. Show more
Discover 11,128,835 listings and 278,133 playable programmes from the BBC
Exploring science questions. Messy brushes his teeth, but why must we use toothpaste and a toothbrush to get teeth clean? He goes to OKIDO to find out. Show more
The UK's most watched and most loved channel for the under-sixes, dedicated to delighting and surprising its pre-school audience.
