LYRA Color Giants Colouring Pencils Metal Box of 18 The Colour Giant Pencils feature extra thick, 6.25mm leads, which are break resistant and long wearing. Similar to the popular Ferby and Super Ferby. The chunky, 10mm thick bodies feature a hexagonal body making them suited to younger children, or anyone who struggles with fine-motor skills. These 18 natural wood finished colouring pencils come in a handy and practical metal tin, perfect for safe storage or taking out-and-about. Made with PEFC Certified sustainable wood.