As well as a sewing machine and embroidery foot.
You will need backing fabrics that are firm, I use 8 oz cotton canvas and linen look aqua.
A range of thinner fabrics in a mix of seascape colours to appliqué onto your work.
Yarns preferably Chunky weight but anything can be adapted to create your own.
An assortment of machine threads.
A vanishing pen is handy, bondaweb or other heat transfer paper. 505 repositioned spray used in quilt making, 8” wooden hoop no higher than 1cm is useful and tracing paper.
Many of these items can be purchased from my shop https://www.johilltextiles.co.uk/course-materials