Arvind Gupta, the Indian Salman Khan?
elec
http://www.youtube.com/user/arvindguptatoys?feature=watch
http://www.arvindguptatoys.com/toys.html
"Amazing Astronomy"
"Pumps from the Dump"
"Math Magic"
"Paper Fun"
"Tipping Toppling Toys"
"Motor and Generator"
"Electricity and Magnetism"
"Newton Unplugged"
"Fun with Pressure"
"Fun with Light"
"Toys from Trash"
"Simple Sounds"
"Strong Structures"
"Flying Toys"
http://www.arvindguptatoys.com/films.html
about Arvind
http://en.wikipedia.org/wiki/Arvind_Gupta
Science Projects, Incredible Collection
arvindguptatoys.com