Ask a parent, teacher, or trusted adult before building, powering a circuit, using tools or batteries, or buying parts. Purchases are optional and at your own cost. If anything gets hot, smells burnt, leaks, swells, sparks, or moves unexpectedly, switch off or disconnect power without touching the damaged or hot part, then tell an adult. Read safety rules

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Found a mistake, have a safety concern, or an idea for a project? Send a message.

Kids: ask a parent, teacher or trusted adult before sending, and use a grown-up's email. Don't share your full name, address, school or phone number. For an emergency (smoke, fire, burns or a swollen battery), unplug only if safe, get away and tell an adult right away — don't wait for a reply. Safety guide