BAKUGAN-HEAVY-METAL-HYDRANOID 1 Special Attack BAKUGAN HEAVY METAL HYDRANOID Brown 1 Special Attack BAKUGAN HEAVY METAL HYDRANOID Green BAKUGAN HEAVY METAL HYDRANOID SPECIAL ATTACK SET BAKUGAN HEAVY METAL HYDRANOID SPECIAL ATTACK SET NEW BAKUGAN HEAVY METAL HYDRANOID Special Attack w Card NEW BAKUGAN HEAVY METAL HYDRANOID Special Attack w Card BAKUGAN HEAVY METAL HYDRANOID Purple BLACK RARE BAKUGAN HEAVY METAL HYDRANOID RARE ! SERIES 1 PURPLE BAKUGAN HEAVY METAL HYDRANOID Green & Green SUPER RARE!