This coloured pencil is a further development of the Lyra Ferby Coloured Pencil. It is 17.5cm in length and has a thick core. Its triangular shape also helps with practising the tripod grip which is especially important for children who are still experiencing difficulties holding the pencil properly. The end of the pencil is sealed the lead super thick is 6.25 mm in diameter. They are breakresistant and highly pigmented.