Do you love shopping for the latest tech gadgets? One of the coolest new “toys” is the Nvidia Shield, allowing gamers to play their favorite console games all on one device. The FitBit Flex is a slim, stylish wearable device that lets you track your daily activity, including steps, calories, sleep, and weight. The Sphero Robotic Gaming System is a programmable robot! The Egg Minder works alongside an app to tell you when your eggs are expired. Visit eBay’s guide to the coolest tech gadgets.