Growing ancient cetacean bones painted with natural pigments-steel Growing 1 – 49 cm Growing 2 – 41cm Growing 3 – 37cm Growing 5 – 35 cm Growing 7 – 21 cm Growing 8 – 26 cm Growing 9 – 43 cm Growing 10 – 36 cm Growing 11 Growing 12 – 18 cm Growing 14 – 19 cm Growing 15 – 29 cm Growing 16 – 41 cm Growing 17 – 38 cm