You will need 4 square blocks. I went to home depot and got a 4 inch by 4 inch by 8 foot piece of wood. Ask them to cut it for you and they gladly will (LOVE HOME DEPOT!). Needless to say I came home with a ton of square blocks which I know I will find all kinds of things to do with.
Heart Argyle Wreath for Valentine's Day Wrap wreath form with grey yarn, add 16 felt hearts (8 of each color) wrap one strand of yarn on diagonal over the hearts one direction, then the other direction.