Mini Hovercraft:This remote control submarine dives in water and it features clear and exquisite appearance to gives you the vivid feeling of a real ACV(air-cushioned vehicle).A great gift idea. Educational Toy:This remote control boar can exercise hand-eye coordination and agility of your child. Enjoyable for Fun:Perfect for fish tanks,bathrooms,etc.Just press the remote control buttons for easy control,the submarine can move forward/backward/turn left/turn right,bringing so much fun All Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.