Description Burda Kids Sewing Pattern 9250 Children’s Tops and Bottoms. Long sleeve pull-on tops designed for stretch knit fabrics. Pull-on trousers with elasticated and drawstring waist. Sew Rating: Very Easy. Burda says that this pattern is designed for jersey stretch fabrics. Size 4 to 10 in one pattern. All Burda patterns have seam & hem allowances. If you need to, brush up on sewing with jersey knit fabrics.