Rotary cutter and mat, any fabric store or big box store w/ a sewing section.
12.5 inch and 6.5 inch square up ruler (used to true your blocks to size and square)
and these kind of scissors, I switched to them over 20 years ago and won't use any other kind now, they are soooo comfortable!!!
http://www.walmart.com/ip/12335950?w...157033&veh=sem