Bic evolution wood free colouring pencils bic 887830 supplied in a free class pack of 144 these bic evolution colouring pencils are made from 50 recycled material and contain no wood so they are both environmentally friendly and safer for children to use as they do not produce splinters if broken or chewed the lead is extra resistant to shocks and gives both great coverage and vibrant colour bic evolution colouring pencils wood free class pack 144