NEPP = Not English Paper Pieced.
These fabric shapes have printed stitch lines on the back to show exactly where to start and stop for very accurate Y-seams using a running stitch.
Kits include all fabric pieces needed to create color layout.
Also included: Paper template for corner pieces to create 90º corners.
You will need:
Needle, Thread, Scissors, and optional Thimble.
Knowledge of Y-seams with Running Stitch. Tutorial here.