Seventh grader builds a braille printer with $350 worth of Legos

Banerjee noticed that braille printers can cost more than $2,000 and wondered if he could drop the price, according to his father, Niloy. A Mindstorms kit is $350 and easily modifiable, giving Banerjee most of the parts he needed to build the printer.

Big fan of Lego Mindstorms. We have several in our house. This is one talented kid.