The Jasart Sketch & Write Set is a perfect starter set. 
Includes: 
8 x Graphite Pencils
3 x Charcoal Pencils
2 x Sketching Sticks
1 x Woodless Pencil
1 x Pencil Sharpener
2 x Charcoal Blocks
1 x Eraser
1 x Kneadable Eraser