An animated comedy about two-step brothers who find inventive things to do on each day of their summer vacation such as building a roller coaster out of materials you would find in your everyday home like popsicle sticks, indoor plumbing, etc. Unbeknownst to them, their pet platypus, Perry, leads a double life as a secret agent.更多《葵花怒放的声响》免费完整在线观看、葵花怒放的声响免费观看高清在线、葵花怒放的声响高清在线观看相关喜剧,动画,家庭,欧美动漫资源，请持续关注CPP阳光影视!