They used the HGBF 1/144 Beargguy III and customized it!
Here are the entries!
This hot China Kousuka custom Beargguy is smokin!
Awww, this cute Beargguy with ice cream needs a hug! but put away the ice cream first :)
Chief mecha designer Hiroshi Arisawa's entry.
Oh man, that tired Beargguy had been helping them to finish the whole Gundam Build Fighters series!
All the entries! Which one is the best one for you?