If you want to experience rapid drawing then Uni Kuru Toga Pipe Slide Mechanical Pencil is the best choice.

Best drawing with  Tombow Mono Graph Shaker Mechanical Pencil

pencil and a dream can take you anywhere.

Mr. Pen Mechanical Pencil Set with Lead and Eraser Refill

The best mechanical pencils allows you to make marks with much greater precision than with ordinary wooden ones

Do you want something unique like Zebra?