Kids Touch 45 Toys a Day. Every One Carries Dust Chemicals.

Children under 6 touch an average of 45 hard toys per day and 13 soft toys per day. They spend 51% of their time sleeping and 17% playing indoors. Every surface they touch is coated in household dust carrying chemicals.

What the Study Tracked

A 2026 study in J Expo Sci Environ Epidemiol from Johns Hopkins collected 1,010 participant-days of activity data from 242 children under age 6. Caregivers logged every hour of their child's day across all four seasons.

Kids spend nearly all their time in environments where dust and soil are the main chemical exposure routes. They handle dozens of objects daily. Toddlers aged 2 to 3 used comfort objects for an average of 136 minutes per day. They put things in their mouths constantly.

Why This Matters

Household dust is a cocktail of flame retardants, phthalates, PFAS, lead, pesticide residues, and microplastics. When kids touch toys on the floor, crawl across carpets, and put objects in their mouths, they're ingesting whatever's in that dust.

This study was specifically designed to update the EPA's outdated estimates of how much dust and soil children actually ingest. The old data was decades old and based on air pollution studies, not dust exposure.

How to Reduce Your Child's Exposure

Wet-mop floors regularly instead of dry sweeping. Vacuum with a HEPA filter. Wash toys frequently. Remove shoes at the door. Use a damp cloth on surfaces. Choose toys made from natural materials when possible. Browse non-toxic baby products designed to minimize chemical exposure.

Also see glass food storage for safer alternatives.

Source: Lupolt SN, et al. (2026). J Expo Sci Environ Epidemiol.