2 seam rippers...I always misplace one when I need it most. A pair of cheap scissors for cutting the threads between chain piecing. Omnigrid cutting mat and rotary cutter. New blade for rotary cutter (if needed I have it and I don't have to stop cutting). Coats and Clark Nugray thread. 12 x 1.5 inch omnigrid ruler. Quarter inch ruler. 12 inch square ruler. Long ruler (22x6?)for strips. 2.5 inch omnigrid ruler for 1.5 inch squares, etc...Pencil and notebook for notes, pieces cut, etc... Plastic bag or bins for cut pieces and block storage. Hand needles for any hand sewing needs.