Coloring Postcards - London Article number: OCAP03 Postcards to color, designed by OMY! Big Ben, The Tower Bridge, Black cabs, and much more! Discover the most beautiful scenes of London while coloring these OMY postcards, packed full of humor and fun details. One pack containes 16 coloring postcards. Made and designed in France by OMY. Size 11 X 15,5 cm.