Product descriptions commonly list benefits such as learning shapes and colors, supporting creative thinking, and developing fine motor skills. Many activity sets also emphasize encouraging artistic expression.
They work mainly in two ways: some use specially formulated paper (e.g., Color Wonder) so colors only appear on that paper; others use markers described as invisible or non-marking on most household surfaces.
Themes range from nostalgia/retro artwork to kid-friendly scenes such as careers (veterinarians, dancers), sports, fashion, mermaids, pets, and other role-play or lifestyle scenarios.
Many kits are designed for travel: compact or mini activity packs, portable magic-ink sets, and folder-style packaging that stores pages and markers are commonly cited as travel-friendly options.