. >> ariana martin is in the first grade.dad helps her get ready for school, things are noticeably different. >> are you ready? >> i'm so pumped up. >> here we go. ari has what is called sma, spinal muscular atrophy. it's a disease that's linked in with muscular dystrophy. basically her muscles will get weaker as time goes on. >> time's up. >> oshe unfortunately can't sit up, she can't walk she can't crawl. even breathing problems she has a hard time breathing. >> log in. >> reporter: despite her rare health condition ari is still able to go to school with her peers. >> ari what >> dream. >> this is how she sees her teacher. >> do those have long a sounds? >> reporter: this is how her teacher sees her. >> ari how do you make that? hold it up. >> the unit is an ipad securely mounted to the top of the device similar to a segway, and ari controls it remotely through a wifi connection. >> i think cat is going to eat the mouse. very good you are correct. >> reporter: its manufacturer, double robotics, originally came up with the i