An awesome idea would be a fighting robot. Sure, they probably have one, but not one that destroys the other. So they can listen to you if you say "punch" or "kick" and they will do that. Maybe parts could fall off so that they know who wins. Kids would go crazy for that.
Other robots from Synthiam community
Bhouston's I Added Something To My Inmoov
Spot the added component on an InMoov robot and note its appearance in an EZ-Robot ad.
Tombrookyo!'S Another Wall-E But With A Few Different Bits
Wall-E style robot build with servo-driven expressive eyes, hinge neck using a pushrod and stock pivot, ezB on back, I2C...
Animator28's AVA Advanced Visual Android
Human-size 3D-printable legs with parametric slew joints; 550 DC or NEMA17 steppers via adapter; L298N/EZ-B/Arduino...
