1 - You will need a 12inch square of craft felt, 22 small felt balls, 10 larger felt balls. Also a sewing machine, thread and a large hand sewing needle.
2 - Measure and cut 2 strips 12" x 3" (30cm x 8cm)
3 - Mark the width of your hearts on both pieces of fabric. 1" (2.5cm).
4 - Place the maked sides of the fabric together and sew a narrow seam along one long edge