Central objective: a homework-help Q&A explaining how the Marshmallow Test demonstrates mastery of self‑regulation concepts in early childhood (group answer: Choi — Q220225420). Supporting elements include a featured article, "From Marshmallows to Mastery: Hands‑On Learning for Early Childhood," related resources and job listings, plus links to free resources for educators. Ideal for early childhood education professionals and child care centers seeking evidence-based strategies and classroom activities to teach impulse control and mastery.