Fabric 1: 1 yard of 45-inch-wide printed cotton (with a design that varies in size), for quilt front
Fabric 2: 1 1/4 yards of 45-inch-wide coordinating printed cotton, for quilt back
Fabric 3: 1/2 yard of 45-inch-wide solid cotton, for binding
Hand-quilting needle(s) (I prefer size 10 betweens)
Wool batting, 36 by 46 inchesNote: If you use Quilter's Dream wool or cotton batting, your stitching can be up to 8 inches apart and the batting will remain stable. If you use another brand, check the manufacturer's directions for the maximum distance between stitches.
Budding chemists aren't the only ones who will get a kick out of this enjoyable experiment that teaches something about how the natural world works. When baking soda and vinegar come into contact, they form carbon dioxide. This gas fills the bottle and can't escape, so it rushes into the balloon, causing it to inflate.