Primary materials are cardboard or heavy paper. Secondary materials that frequently appear include plastic components, colored sand (for sand art kits), and polystyrene elements.
Finished projects vary: play or holiday forts, gem-art posters, sand Rangoli/mandala boards, and cardboard vision boards or other wall-mountable displays are common outcomes.
Expect a range: some kits are low-mess or marketed as mess-free (notably sand-art sets), many require moderate assembly and simple setup, and a few list more involved assembly or steps that users describe as somewhat difficult.
Some kits explicitly reference cultural festivals (examples include Diwali, Holi, Ganesha festival, Navratri, Onam, and Pongal) and several are promoted as suitable for gifts, classroom activities, or holiday crafts.
Some kits include dedicated storage like a tote or storage box; others ship with a cardboard tray or box for convenient storage and travel.