My idea is a hedgehog robot that has a camera on it. When you touch it it moves away. It can be security for your house because it's small and unnoticeabble. You can control it with an iOS or android device. Lastly you have laser fights with other robot hedgehogs.
Other robots from Synthiam community

Ezang's Here Is A Picture Of The Hand I Am Practicing With
Here is a picture of the hand I am practicing with

Dunning-Kruger's Is There A Halloween Contest This Year?
I thought I would lighten things up around here by giving you all a sneak peek of my possible Halloween contest...

Ezang's Beginning 3D Printed Hand, Some Moves - Voice...
My new hand, my have to re-work with better string, other commands... Tips are not on yet... still needs a lot of work,...