This is the Ellana Thread pack required for the Toned Down Circle Sampler.  It is the original colours as used in the pattern. 
 
Ellana Wool Applique Thread Pack includes:
EN01, 02, 03, 04, 10, 15, 28, 29, 37
It has 10 x .5 metres of Ellana thread - which is enough to sew the circles onto the background. You can purchase separately or purchase with the Toned Down Circle Sampler Complete Kit.