Gauge isn’t a particular consideration for the car providing the same tension is used for all parts.

Materials needed are…

15 m body colour wool
5 m pale blue window colour wool
2.5 m silver wool (chrome detailing)
2.5 m black wool (tyres, car detailing)
0.3 m orange wool (indicators)
0.3 m red wool (brake lights)
2 sequins
2 x 3mm double ended knitting needles
Stuffing
Scissors
Large embroidery needle
Cardboard or flat plastic