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

Bhouston's A New Dof For Inmoov's Neck/Head
Ive designed a new neck mechanism for InMoov to add a degree of freedom. It still needs some fine tuning but youll get...

Mattbrailsford's Omnimc
Hey Guys, Ive read lots on the forum, and posted a hand full of times, but I thought it was about time I launched my...

Cardboardhacker's M2d2-The Diy Miniture R2d2 By...
So. I finally did it. After Djs r2d2 started getting into every thought I had I decided to build one. I did some...