I bought this $20 gadget to track my child's backpack this school year and give me peace of mind

(Image credit: Lance Ulanoff / Future) There's a long list of things to buy this school season, especially since my firstborn is off to kindergarten this year, and at the top of my list is Apple's best-selling AirTag.• Shop more daily deals at AmazonApple's AirTag is a Bluetooth tracking device that works with your iPhone to locate an item that it's attached to. In my case, I'm attaching the AirTag to my child's backpack for peace of mind.I bought the newly released AirTag for full price, but you can currently get the 2nd Generation Apple AirTag 4 Pack on sale for $79.99 (originally $99). That's a new record-low price, and each AirTag comes out to just $20, which is an absolute steal for what you get in return.Get the Apple AirTag for its lowest price yetThe 2026 Apple AirTag launched in January and is one of Amazon's top three best-selling gadgets. The AirTag isn't just for backpacks; you can attach the tracker to your keys, wallet, or luggage, or anything else you don't want to lose, and your iPhone will locate it. The 2nd Generation model offers a 50% longer Precision Finding range and a louder speaker with a higher-pitched chime. You can also now share your AirTag location with family and friends on shared items or airline partners for lost luggage.Keep in mind, this is a limited-time offer and the lowest price we've ever seen for the 4 Pack Apple AirTag model. If you're not interested in a 4 Pack, you can grab a single Apple AirTag for $24. Sign up for breaking news, reviews, opinion, top tech deals, and more. Mackenzie Frazier is the lead deals editor in the US for TechRadar at Future plc. She has been sharing deal advice for Future for the past eight years and loves finding products that consumers want at the best possible prices. She's had 11 years of experience working in e-commerce and loves being a mom to her two little boys.