I tried to include as many different types of thread as possible.
Types include:
Rayon embroidery thread
Fine cotton boucle
String - various types
Wool boucle
6 strand embroidery thread
Plastic coated wire
Tapestry wool
Acrylic chenille
Fine cotton chenille
Fine soft cotton
Fleece yarn
Fine silk
Crochet thread
Cotton tape
Perle
Gimp
Plastic string