Global Kids Marker Market Size, Share & Demand Report By Product Type (Washable Markers, Permanent Markers for Kids, Dry-Erase Markers, Dual-Tip Markers, Jumbo/Chunky Markers, Specialty Markers), By Application (School/Classroom Use, Home/Personal Use, Art & Craft Activities, Daycare & Educational Centers, Creative Therapy & Child Development Programs), By Distribution Channel (Offline Retail, Online Retail), By Age Group (Toddlers 1–3 Years, Early Childhood 4–6 Years, Primary School Kids 7–10 Years, Pre-Teens 11–12 Years), By Region & Segment Forecasts, 2026–2031