Knitting Tutorial Pullover in 3 Sizes

This is a knitting pattern for a super sweet picture sweater in 3 different sizes. The instructions are described in detail.
Material:

 Catania of Schachenmayr with running length 125 m 50 g each
100 g each in white and turquoise
Remains in gray - dark gray - black
Knitting needles No. 3 and 3.5
Knitting game or small circular needles No. 3
For the small size: 3 buttons diameter 2 cm (The small size is knitted with a button placket for better dressing.)

The pattern incl. 3 sizes:
12 to 18 months
24 months
3 years