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

Hoolagen1's Update To My Wall-E
update 9-9-2013 added pics of the sparkfun mp3 trigger and installation. check it out! I have added body tilt, forward...

Danbachmann's Dandroid 20Xx
Ive been impressed with some of the amazing robots (the original EZ-Robot kits and home builts) on this site and while...

Angedear's Elastic Band Gattling Gun Robot
My hubby built this with the EZB developer kit.