You will need besides the content of the bag: Dispersion adhesive or a glue gun.
Glue the three quarter-balls together on top of each other (body), connect them using a stick. Put a knitted fabric on the body. Glue the knitted fabric from the bottom (to the flat part) to the body and roll it up at the top. Glue the legs from the bottom over the knitted fabric.
Glue a stick into the head and stick it to the body. Glue the comb, beak, and wattle. Glue the wings together according to the picture, and glue them from the sides of the body closely under the polo neck. Glue the egg under one wing, and glue the feathers one on second, and then glue them from the backside.
Figure height 17 cm (Additional decoration on the picture isn´t part of the package)