Suggested ages listed range from 3 years and up to 8 years and up, with many kits aimed at 6+ and some at 7+.
Kits include window suncatchers, 3D paintable ceramic rainbows, gem/diamond-paint rainbow posters, rainbow wind-chime crafts, nail-polish rainbow color sets, and reveal-style paint activities that use rainbow techniques.
Many kits specify non-toxic or water-based formulations and include CPSC choking-hazard warnings for small parts. One nail-polish set specifically lists a non-toxic, virtually odorless, water-based formula and cruelty-free/vegan attributes.
Typical contents are preprinted cardboard or poster pieces, color-coded gem packets, a diamond-paint stylus or applicator, gem trays, wax squares, and an instruction sheet for matching gems to numbered areas.
