DIMENSIONS-Learn-A-Craft: Crewel Embroidery. Learn a classic art! This collection of needle art kits is perfect for beginners with their simple yet fun designs. This kit contains design pre-printed on white sailcloth, 6in embroidery hoop, cotton thread, needle and easy to follow instructions designed for a beginner. Finished size: 6in. Design: Butterflies: Believe In Yourself. Designer: Dimensions. WARNING: Choking Hazard-small parts and functional sharp objects. Not for children under 3 years. Imported.