Nothing revolutionary here, but still some interesting and useful gadgets. The Nectar power source would be a great asset on a camping trip, but might be a bit heavy to carry while backpacking.
The Ego cameras are also intriguing -- perhaps a nice alternative to the GoPro for winter sports, off-roading, etc.
The personal drone strikes me as a bizarre product. If I ever saw one of those things following me, I would be seriously tempted to shoot it down :)
A couple years back, a family friend got an old fashioned "slot car set" for Christmas. While our kids were off playing their new video games, we were playing with the slot cars and soon, they were all gathered around wanting their turn. However, the intrigue wore out when the physical limitations became obvious. I suspect similar things with the battling robots. The capabilities of an virtual robot far outweigh those present in a "reasonably" price robot. Great fun initially but destined for the storage closet.