No, it's not a life-drawing exercise; show us what you use to produce your art.
Here's my watercolour sketch box, with the colours I use most - Permanent Rose, Cadmium Red, Cadmium Yellow, Lemon Yellow, Yellow Ochre, Cobalt Turquoise, French Ultramarine, Antwerp (Prussian) Blue, Winsor (Phthalocyanine) Green, Raw Sienna (actually a slightly darker version of Yellow Ochre), Burnt Sienna, Burnt Umber:
My back-up box, with the brushes I normally use: