If there was A robot that I could build it will be a robot that could help with medical attention.Which means tempature,cooking,babysitting last but not least night watch.It could also do scan the room for mold leaky pipes and see if termites eat wood.
Other robots from Synthiam community

Dunning-Kruger's How To Use Roborealm For Indoor Navigation
Ok, so I finally sat down to look at what RoboRealm can actually do other than just face and object recognition.... I...

Wiinteru's EZ-Boxbot With Iotiny
Version 1 A remake of the original EZ-BoxBot replacing the old EZ-B V3 with the EZ-B IO Tiny. Not complete because I...

Nink's Development Kit Robot
Trying to find the optimum solution for a robot that uses all the pieces in the development kit. I am leaning towards a...