New Gadgets that May, May Not be Essentials

You may be parenting adequately without a teddy bear that monitors vital signs, and your preschooler is probably faring just fine without her own kid-friendly tablet computer, but a tag that works with your mobile device to track lost keys, wallets or glasses? Well, that might be a practical investment.  Yahoo Tech takes a look at these and a pretty cool robot kit in “4 More Awesome Gadgets for Families from the World’s Biggest Tech Show.”