The aircraft-balloon type things aren’t exactly “in” right now, but anyone who loves marine life would flip their lid if they saw this. They’re called Air Swimmers, and they are fish that fly through the air like a remote controlled blimp. They look on the outside as though they’d be terribly boring, but they’re quite graceful and much happier than a toy helicopter that will likely fall out of the sky and injure you if you’re not careful.
They glide and float rather gracefully and look like real aquatic life in a sea of invisible water. Just check out the video below captured at Toy Fair. These should be available in July for about $40, and will definitely be a lot more safe for your children…or yourself, should the batteries die and it fall out of the air.
Source Air Swimmers