SUPER WHY! . Parents & Teachers . Guide to Activities | PBS KIDS https://pbskids.org/superwhy/parentsteachers/site/guide.html
SUPER WHY, the animated television series and interactive website, helps children ages 3-6 learn key reading skills, including alphabet, rhyming, spelling and reading comprehension, through interactive storybook adventures.
The crowns each have 4 prongs – one for each level.