S4C

Blero'n Mynd i Ocido - Cyfres 1: Dannedd Diflas

Mae Blero'n mynd i Ocido i ddarganfod pam bod angen past dannedd a brwsh i lanhau dannedd. Blero goes to Ocido to find out why toothpaste and a toothbrush are used to clean teeth.Ìý

  • Duration11 mins
  • First shown21 Sep 2016
  • Available for 1 month
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