Play sand is a safety sand material specially designed for children's educational interaction, made from quartz sand, food-grade resin and environmentally friendly polymer as core raw materials through modification, film coating, color matching and molding processes. Characterized by non-toxicity, no dust pollution, strong plasticity and diverse touch (e.g., fluffy, adhesive, resilient), its particle size is ≥0.1mm (to avoid swallowing risk). Covering categories such as imitation porcelain sand, space sand, sponge sand, magic sand and kinetic sand, it is suitable for children's playgrounds, early education institutions and family parent-child interaction scenarios, combining educational enlightenment, sensory training and creative shaping functions, and is an important auxiliary prop for children's quality education.