Although this isn't a new idea, adding the ability to fly would be incredible for these robots! Also, animal-shaped robots may get kids more interested in this technology.
Other robots from Synthiam community

Toymaker's My Alexa (Alive)
Hi All, not strictly a robot, but I wanted to see what it would be like to give Alexa a (pretty face)! Tony

Jstarne1's Easy Led Visual Test For Digital Ports Tutorial J...
During my last setup with a h bridge I was frustrated and wish I could see if the ports were active at the time they...

Lizpoir's Video From My Omnibot 2000 An From My 3D-Printing...
Here you can see 2 Videos of my Robots: and have fun