How To Construct Pyramid

Guys, check out this cool website and have fun try to make it :)

http://www.youtube.com/watch?v=9hmou-hs-e8&feature=related

http://www.youtube.com/watch?v=zERfG251U8s&feature=related

http://www.youtube.com/watch?v=YqnT-_QRRbM&feature=related


-Ms.L-