Babies explore everything by putting it in their mouths. This starts around 4 months and can last well into the toddler years. It's developmentally normal and important for learning, but it's also why keeping small objects and toxic substances out of reach is so critical.
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Any small object, food, or toy part that can block a child's airway. Kids under 3 are at the highest risk because they explore everything by putting it in their mouths. A quick rule of thumb: if it fits through a toilet paper roll, it's a choking hazard.
Choosing age-appropriate toys and checking them regularly for broken parts, loose batteries, and small pieces. Look for ASTM F963 certification on toys sold in the US. Magnets and button batteries are especially dangerous if swallowed.
Keeping toxic substances locked away and out of sight. Cleaning products, medications, laundry pods, and even some houseplants can poison a child. Store chemicals up high or behind locked cabinets, and save the Poison Control number: 1-800-222-1222.
A cylinder that simulates the size of a young child's throat, used to test whether a toy or object is a choking hazard. If something fits entirely inside the tube, it's too small for kids under 3. You can use a toilet paper roll as a rough substitute at home.