We start series two of Princess & Strengthus, the story of a special girl and her unicorn; there are Fun Facts about triangles; and eight-year-old Eva tells us what she thought of the book Tu Meke Tuatara. We also learn to say "I'm happy" in te reo Māori, there are jokes, and can you work out six-year-old Charlotte's brain-teaser?

Go to this episode on rnz.co.nz for more details