Wink's learning content is the most advanced among preschool learning programs and can be used up to an elementary school level and beyond. 1. Wink is the only program that provides personalized scheduling of leveled learning content that covers up to a Grade 3-4 elementary school level for children aged 4-9. 2. Wink has the most comprehensive and solid curriculum for all three subjects: Korean, Math, and English. 3. Since Wink provides personalized learning, the curriculum and progress are adjusted to a child's level, so you don't have to worry at all.