My dear tools are conveniently housed in a clear half moon shaped bag which once held a cosmetics gift, long-long ago. Plastic yes, but I can see everything, which I like. I go for circles. I'm missing post-its which are usually in there, used for marking where I am on a chart.
People are most curious about the compass...I say it never hurts to know what direction you're going. The bonus? it is spot on for this years Project Spectrum: Cardinal Directions.
My friend Beth gave me this snazzy "Tone Up" box, perfect for my favorite Clover "pac man" markers.
And where would I be without my chi-chi-chi-chibi? Holding some deadly sharp pointed things and my treasured bent tapestry needle. I scorned these bent needles until Sally Melville showed the the way, and I've never looked back. They make a world of difference in seaming and other tricky sewing.