What does it mean to be fair?

What's the Big Idea? – Season 1

Preschool animation exploring ideas and promoting thinking skills, encouraging viewers to make up their own minds. Hugo understands it's good to be fair so everyone can have a turn going down the slide and getting the same amount of sweets. But when Hugo gives the same size cupcakes to his huge yeti friend and a tiny ant, the yeti is still hungry. Is that fair?