Any kind of dinosaur or animal themed robots would be super fun to me. Maybe a T-rex or Brachiosaurus.
Other robots from Synthiam community

Mickey666maus's Oled Animated Eyes For ARC Pro And ARC Free
To set the project up, the following hardware is needed: 1x https://www.adafruit.com/product/3800 2 x...

Winstn60's Omnibot Glyph Tracking
Heres my Omnibot tracking towards a glyph on the wall. As the camera is mounted in his head which flops about a bit and...

Vgosine's Robotic Arm
Hi Everyone This is a robotic arm that i put together, simply using ez-bits. It is primarily designed to feed someone...