How I draw a football soccer ball realistic drawing

Drawing a realistic football (uk) soccer (us) ball Final picture: Materials used: heavyweight gray paper, 9B, 7B and B pencils (Caran d Ache grafwood), paper stomp, Ecoline, colored pencils (Caran d Ache Supracolor Soft), fibre tip pens (Staedtler Noris Club 320 Double Ended Fibre Tip Pens), markers (Tria Letraset), white charcoal pencil (52 CarbOthello 1400 Schwan), black and white ac