Bakugan Dragonoid X Tretorous toy set

A Bakugan Dragonoid X Tretorous toy set complete with cards and the cores! Great for kids 7 and up! The Bakugan toy itself folds into a ball. I had these when I was younger and I really like them! this is just one that I ended up not wanting in my current collection! Brand is Spin Master, color is Red, size is OS.