Save on 18 unique inventions and innovations — from drones to cat toys

If the season of giving left you with an urge to treat yourself, you’re in luck. For Cyber Week II, a week of deals between Christmas and New Year's, you can save big bucks on all sorts of stuff.

We’re here to help you get started, with a roundup of unique deals — from drones to cat toys — on sale for an extra 20% off...