Quipu 1: Groups: none Colors: 3 browns, blue Colour combinations: monochrome Strings: main, pendants, Ply: all S Diameter: main 2mm, pendants 2-2,3mm Recto/verso (tying pendants to mainstring): recto Knots: long knots (Z), single knots (Z) Quipu 2: Groups: none Colors: 2 browns Colour combinations: monochrome Strings: main, pendants, Ply: all S Diameter: main 1,5mm, pendants 1,5-2mm Recto (tying pendant to mainstring) Knots: long knots (Z), single knots (Z) Quipu 3: Groups: none Colors: browns, blue Colour combinations: monochrome Strings: main, pendants, Ply: all S Diameter: main 2,8mm, pendants 1,5-2,5mm Recto (tying pendant to mainstring) Knots:1/2 endknots (a single knot securing the pendant tied with only part of the pendant as active), long knots (Z), single knots (Z)