Nothing wrong with these skeins in terms of fiber perfection, but the color of these were tests and the transition from one color to another is not as smooth as it should be so there is some bleeding from some colors into others. It would still work up as a gradient, just not as perfect as I want, so this is discounted. 
 
This is 400m of merino/nylon yarn that you can turn into a beautiful gradient project. You can choose between having the sheet knitted loosely as a "blank" or you can have it wound into a yarn cake. 

This is the same colorway as the Rainbow Magi skein except it works up as a gradient in your projects instead of a variegated look. 
 
COLORWAY: One side of the skein starts out with a bright red that blends into a neon orange, yellow, bright green, neon blue, electric purple, periwinkle, fuschia, and ends with a bit of red again in case you want to connect it for a continuous look. It's a fun colorway that will brighten up your stashes. Pair it with Alessandro Midnight Black for a stunning gradient/black look. When unwound it has a speckled gradient look.