This Caran D'ache Swisscolor set of 18 permanent water resistant colour pencils have a high pigment concentration and good lightfastness. They can be used dry for drawing and sketching or with water to create dramatic watercolour effects. CE and FSC wood certified Cedar wood sheath coated in eco water based varnish. Pencils are supplied in a recyclable box Comes in a variety of colours so plently to keep your kids busy!Suitable for ages 3+ Recommended for kids aged 3-12 years.