This is what I have and I need it all. I don't have anything I could do without.
Cutting mat and rotary cutter
6x24 ruler
12.5x12.5 ruler
tape measure
safety pins
pins
tomato pin cushion
scissors
sewing needles - betweens, sharps, embroidery
needle threader
beeswax
rubber needle grabber
seam ripper
water soluble marking pens
thimble