I'm going to combine a powered swivel sweeper, an AC-13, an EZ-B, and an ultrasonic sensor to make automated floor cleaner.
Other robots from Synthiam community

Mitzeljk's Meet Modi
This is Modi (Mobile, online, digital , interface) , my first attempt at ever building a robot. I am new to pretty much...

Justinratliff's Ez-Robot Bb-8 Hexapod Body
I made a BB-8 hexapod body to go with the head. You can use the mountable head with the EZ-Bit I made: Or you could...

Oldbotbuilder's My 'Bot Wilber (Now Ez Wilber)
Apologies if this is too long. My .bot Wilber Wilber was constructed from a Lego Mindstorm EV3 kit. The self-balancing...