A "button cell" battery is held between a thumb and index finger. If small children swallow them, the batteries can get stuck in the esophagus and cause life-threatening injuries. (Stephanie Pilick / ...

Cute strings of fairy lights, little flameless candles, goofy flashing headbands and dress-up clothes, and tons of toys that blink, beep, and buzz. Around the holidays especially, the market is awash ...

We may receive a commission on purchases made from links. LR44 batteries are a particular variety of button-cell battery. You've almost definitely seen them before; they're those little cap-shaped ...