This is a computer boat mouse! It has a computer mouse shell with a motor on the bottom with a propeller on the motor! Thier is a switch on the top to turn it on and off the battery is inside the shell. I'm also enter this in to the I Made It Photo Contest so please vote for it! I'm also enter this in to the Key board vs. mouse speed challenge so please vote for it in that too! Sorry I can't put notes up there not saving I will try later!